3646254465 has 48 divisors (see below), whose sum is σ = 7255018368. Its totient is φ = 1659483648.

The previous prime is 3646254461. The next prime is 3646254467. The reversal of 3646254465 is 5644526463.

It is a happy number.

3646254465 is a `hidden beast` number, since 3 + 6 + 46 + 2 + 544 + 65 = 666.

3646254465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3646254465 - 2² = 3646254461 is a prime.

It is a super-3 number, since 3×3646254465³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3646254465.

It is not an unprimeable number, because it can be changed into a prime (3646254461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46009 + ... + 97001.

It is an arithmetic number, because the mean of its divisors is an integer number (151146216).

Almost surely, 2^3646254465 is an apocalyptic number.

3646254465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3646254465 is a deficient number, since it is larger than the sum of its proper divisors (3608763903).

3646254465 is a wasteful number, since it uses less digits than its factorization.

3646254465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51238 (or 51235 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 3646254465 is about 60384.2236432663. The cubic root of 3646254465 is about 1539.1548836087.

The spelling of 3646254465 in words is "three billion, six hundred forty-six million, two hundred fifty-four thousand, four hundred sixty-five".