307268687644 has 12 divisors (see below), whose sum is σ = 549161059104. Its totient is φ = 150365527904.

The previous prime is 307268687633. The next prime is 307268687689. The reversal of 307268687644 is 446786862703.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817203769 + ... + 817204144.

It is an arithmetic number, because the mean of its divisors is an integer number (45763421592).

Almost surely, 2^307268687644 is an apocalyptic number.

It is an amenable number.

307268687644 is a deficient number, since it is larger than the sum of its proper divisors (241892371460).

307268687644 is a wasteful number, since it uses less digits than its factorization.

307268687644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634407964 (or 1634407962 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 61.

The spelling of 307268687644 in words is "three hundred seven billion, two hundred sixty-eight million, six hundred eighty-seven thousand, six hundred forty-four".