70530157939 has 2 divisors, whose sum is σ = 70530157940. Its totient is φ = 70530157938.

The previous prime is 70530157913. The next prime is 70530157981. The reversal of 70530157939 is 93975103507.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93975103507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70530157939 - 2²⁹ = 69993287027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70530157892 and 70530157901.

It is not a weakly prime, because it can be changed into another prime (70530557939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35265078969 + 35265078970.

It is an arithmetic number, because the mean of its divisors is an integer number (35265078970).

Almost surely, 2^70530157939 is an apocalyptic number.

70530157939 is a deficient number, since it is larger than the sum of its proper divisors (1).

70530157939 is an equidigital number, since it uses as much as digits as its factorization.

70530157939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 893025, while the sum is 49.

The spelling of 70530157939 in words is "seventy billion, five hundred thirty million, one hundred fifty-seven thousand, nine hundred thirty-nine".