70351607557 has 12 divisors (see below), whose sum is σ = 89277365376. Its totient is φ = 54819434040.

The previous prime is 70351607519. The next prime is 70351607567. The reversal of 70351607557 is 75570615307.

It is not a de Polignac number, because 70351607557 - 2⁷ = 70351607429 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 (70351607567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65260693 + ... + 65261770.

It is an arithmetic number, because the mean of its divisors is an integer number (7439780448).

Almost surely, 2^70351607557 is an apocalyptic number.

70351607557 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70351607557 is a deficient number, since it is larger than the sum of its proper divisors (18925757819).

70351607557 is a wasteful number, since it uses less digits than its factorization.

70351607557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130522488 (or 130522481 counting only the distinct ones).

The product of its (nonzero) digits is 771750, while the sum is 46.

The spelling of 70351607557 in words is "seventy billion, three hundred fifty-one million, six hundred seven thousand, five hundred fifty-seven".