3665243254 has 4 divisors (see below), whose sum is σ = 5497864884. Its totient is φ = 1832621626.

The previous prime is 3665243233. The next prime is 3665243287. The reversal of 3665243254 is 4523425663.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3665243254² = 26868016221985017032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916310812 + ... + 916310815.

It is an arithmetic number, because the mean of its divisors is an integer number (1374466221).

Almost surely, 2^3665243254 is an apocalyptic number.

3665243254 is a deficient number, since it is larger than the sum of its proper divisors (1832621630).

3665243254 is a wasteful number, since it uses less digits than its factorization.

3665243254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832621629.

The product of its digits is 518400, while the sum is 40.

The square root of 3665243254 is about 60541.2524977804. The cubic root of 3665243254 is about 1541.8221045217.

The spelling of 3665243254 in words is "three billion, six hundred sixty-five million, two hundred forty-three thousand, two hundred fifty-four".