307048911892 has 12 divisors (see below), whose sum is σ = 538229669236. Its totient is φ = 153269006400.

The previous prime is 307048911887. The next prime is 307048911899. The reversal of 307048911892 is 298119840703.

It can be written as a sum of positive squares in 2 ways, for example, as 170299830276 + 136749081616 = 412674^2 + 369796^2 .

It is a super-2 number, since 2×307048911892² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307048911899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63859683 + ... + 63864490.

Almost surely, 2^307048911892 is an apocalyptic number.

It is an amenable number.

307048911892 is a deficient number, since it is larger than the sum of its proper divisors (231180757344).

307048911892 is a wasteful number, since it uses less digits than its factorization.

307048911892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127724778 (or 127724776 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 307048911892 in words is "three hundred seven billion, forty-eight million, nine hundred eleven thousand, eight hundred ninety-two".