30574140397 has 2 divisors, whose sum is σ = 30574140398. Its totient is φ = 30574140396.

The previous prime is 30574140391. The next prime is 30574140431. The reversal of 30574140397 is 79304147503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20035270116 + 10538870281 = 141546^2 + 102659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30574140397 is a prime.

It is a super-2 number, since 2×30574140397² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30574140391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287070198 + 15287070199.

It is an arithmetic number, because the mean of its divisors is an integer number (15287070199).

Almost surely, 2^30574140397 is an apocalyptic number.

It is an amenable number.

30574140397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30574140397 is an equidigital number, since it uses as much as digits as its factorization.

30574140397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 30574140397 in words is "thirty billion, five hundred seventy-four million, one hundred forty thousand, three hundred ninety-seven".