30573573139 has 2 divisors, whose sum is σ = 30573573140. Its totient is φ = 30573573138.

The previous prime is 30573573103. The next prime is 30573573223. The reversal of 30573573139 is 93137537503.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30573573139 is a prime.

It is not a weakly prime, because it can be changed into another prime (30573573439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15286786569 + 15286786570.

It is an arithmetic number, because the mean of its divisors is an integer number (15286786570).

Almost surely, 2^30573573139 is an apocalyptic number.

30573573139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30573573139 is an equidigital number, since it uses as much as digits as its factorization.

30573573139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 893025, while the sum is 46.

The spelling of 30573573139 in words is "thirty billion, five hundred seventy-three million, five hundred seventy-three thousand, one hundred thirty-nine".