693149928849 has 48 divisors (see below), whose sum is σ = 1187026608768. Its totient is φ = 395952302592.

The previous prime is 693149928847. The next prime is 693149928851. The reversal of 693149928849 is 948829941396.

693149928849 is a `hidden beast` number, since 6 + 9 + 31 + 499 + 28 + 84 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (693149928847) and next prime (693149928851).

It is not a de Polignac number, because 693149928849 - 2¹ = 693149928847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (693149928847) 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, 5098849 + ... + 5233025.

It is an arithmetic number, because the mean of its divisors is an integer number (24729721016).

Almost surely, 2^693149928849 is an apocalyptic number.

It is an amenable number.

693149928849 is a deficient number, since it is larger than the sum of its proper divisors (493876679919).

693149928849 is a wasteful number, since it uses less digits than its factorization.

693149928849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137236 (or 137224 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 693149928849 in words is "six hundred ninety-three billion, one hundred forty-nine million, nine hundred twenty-eight thousand, eight hundred forty-nine".