70913199761 has 4 divisors (see below), whose sum is σ = 70939340772. Its totient is φ = 70887058752.

The previous prime is 70913199743. The next prime is 70913199769. The reversal of 70913199761 is 16799131907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46379929600 + 24533270161 = 215360^2 + 156631^2 .

It is a cyclic number.

It is not a de Polignac number, because 70913199761 - 2¹⁴ = 70913183377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70913199769) 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 3 ways as a sum of consecutive naturals, for example, 13066436 + ... + 13071861.

It is an arithmetic number, because the mean of its divisors is an integer number (17734835193).

Almost surely, 2^70913199761 is an apocalyptic number.

It is an amenable number.

70913199761 is a deficient number, since it is larger than the sum of its proper divisors (26141011).

70913199761 is a wasteful number, since it uses less digits than its factorization.

70913199761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26141010.

The product of its (nonzero) digits is 642978, while the sum is 53.

The spelling of 70913199761 in words is "seventy billion, nine hundred thirteen million, one hundred ninety-nine thousand, seven hundred sixty-one".