30456540013 has 4 divisors (see below), whose sum is σ = 30456946620. Its totient is φ = 30456133408.

The previous prime is 30456539977. The next prime is 30456540119. The reversal of 30456540013 is 31004565403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 623650729 + 29832889284 = 24973^2 + 172722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30456540013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30456240013) 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, 54778 + ... + 252811.

It is an arithmetic number, because the mean of its divisors is an integer number (7614236655).

Almost surely, 2^30456540013 is an apocalyptic number.

It is an amenable number.

30456540013 is a deficient number, since it is larger than the sum of its proper divisors (406607).

30456540013 is an equidigital number, since it uses as much as digits as its factorization.

30456540013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406606.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 30456540013 in words is "thirty billion, four hundred fifty-six million, five hundred forty thousand, thirteen".