30540993407 has 2 divisors, whose sum is σ = 30540993408. Its totient is φ = 30540993406.

The previous prime is 30540993389. The next prime is 30540993421. The reversal of 30540993407 is 70439904503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30540993407 - 2⁸ = 30540993151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30540990407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270496703 + 15270496704.

It is an arithmetic number, because the mean of its divisors is an integer number (15270496704).

Almost surely, 2^30540993407 is an apocalyptic number.

30540993407 is a deficient number, since it is larger than the sum of its proper divisors (1).

30540993407 is an equidigital number, since it uses as much as digits as its factorization.

30540993407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 30540993407 in words is "thirty billion, five hundred forty million, nine hundred ninety-three thousand, four hundred seven".