70121164813 has 16 divisors (see below), whose sum is σ = 81149999616. Its totient is φ = 59346033840.

The previous prime is 70121164787. The next prime is 70121164847. The reversal of 70121164813 is 31846112107.

It is a cyclic number.

It is not a de Polignac number, because 70121164813 - 2⁵ = 70121164781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70121164853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018870 + ... + 1085512.

It is an arithmetic number, because the mean of its divisors is an integer number (5071874976).

Almost surely, 2^70121164813 is an apocalyptic number.

It is an amenable number.

70121164813 is a deficient number, since it is larger than the sum of its proper divisors (11028834803).

70121164813 is a wasteful number, since it uses less digits than its factorization.

70121164813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68544.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 70121164813 in words is "seventy billion, one hundred twenty-one million, one hundred sixty-four thousand, eight hundred thirteen".