3654426331 has 4 divisors (see below), whose sum is σ = 3654549000. Its totient is φ = 3654303664.

The previous prime is 3654426317. The next prime is 3654426379. The reversal of 3654426331 is 1336244563.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1336244563 = 971 ⋅1376153.

It is a cyclic number.

It is not a de Polignac number, because 3654426331 - 2¹³ = 3654418139 is a prime.

It is a super-2 number, since 2×3654426331² = 26709663617412243122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654426031) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15120 + ... + 86818.

It is an arithmetic number, because the mean of its divisors is an integer number (913637250).

Almost surely, 2^3654426331 is an apocalyptic number.

3654426331 is a deficient number, since it is larger than the sum of its proper divisors (122669).

3654426331 is an equidigital number, since it uses as much as digits as its factorization.

3654426331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122668.

The product of its digits is 155520, while the sum is 37.

The square root of 3654426331 is about 60451.8513446859. The cubic root of 3654426331 is about 1540.3038601792.

The spelling of 3654426331 in words is "three billion, six hundred fifty-four million, four hundred twenty-six thousand, three hundred thirty-one".