70530157439 has 64 divisors (see below), whose sum is σ = 86180462592. Its totient is φ = 56462313600.

The previous prime is 70530157421. The next prime is 70530157457. The reversal of 70530157439 is 93475103507.

It is an interprime number because it is at equal distance from previous prime (70530157421) and next prime (70530157457).

It is a de Polignac number, because none of the positive numbers 2^k-70530157439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70530157439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530157939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254621369 + ... + 254621645.

It is an arithmetic number, because the mean of its divisors is an integer number (1346569728).

Almost surely, 2^70530157439 is an apocalyptic number.

70530157439 is a deficient number, since it is larger than the sum of its proper divisors (15650305153).

70530157439 is a wasteful number, since it uses less digits than its factorization.

70530157439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 70530157439 in words is "seventy billion, five hundred thirty million, one hundred fifty-seven thousand, four hundred thirty-nine".