70538326448731 has 16 divisors (see below), whose sum is σ = 73070075795040. Its totient is φ = 68013210746880.

The previous prime is 70538326448729. The next prime is 70538326448761. The reversal of 70538326448731 is 13784462383507.

It is a cyclic number.

It is not a de Polignac number, because 70538326448731 - 2¹ = 70538326448729 is a prime.

It is a super-2 number, since 2×70538326448731² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70538326448731.

It is not an unprimeable number, because it can be changed into a prime (70538326448761) 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 15 ways as a sum of consecutive naturals, for example, 708088116 + ... + 708187726.

It is an arithmetic number, because the mean of its divisors is an integer number (4566879737190).

Almost surely, 2^{70538326448731} is an apocalyptic number.

70538326448731 is a deficient number, since it is larger than the sum of its proper divisors (2531749346309).

70538326448731 is a wasteful number, since it uses less digits than its factorization.

70538326448731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132654.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 70538326448731 in words is "seventy trillion, five hundred thirty-eight billion, three hundred twenty-six million, four hundred forty-eight thousand, seven hundred thirty-one".