30491742618207 has 48 divisors (see below), whose sum is σ = 50611945078240. Its totient is φ = 17533047849984.

The previous prime is 30491742618193. The next prime is 30491742618277. The reversal of 30491742618207 is 70281624719403.

30491742618207 is a `hidden beast` number, since 3 + 0 + 4 + 9 + 1 + 7 + 426 + 1 + 8 + 207 = 666.

It is not a de Polignac number, because 30491742618207 - 2⁷ = 30491742618079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30491742618277) 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, 93786238 + ... + 94110795.

Almost surely, 2^{30491742618207} is an apocalyptic number.

30491742618207 is a deficient number, since it is larger than the sum of its proper divisors (20120202460033).

30491742618207 is a wasteful number, since it uses less digits than its factorization.

30491742618207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187897144 (or 187897141 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 30491742618207 in words is "thirty trillion, four hundred ninety-one billion, seven hundred forty-two million, six hundred eighteen thousand, two hundred seven".