70620177013 has 2 divisors, whose sum is σ = 70620177014. Its totient is φ = 70620177012.

The previous prime is 70620176951. The next prime is 70620177049. The reversal of 70620177013 is 31077102607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62328617649 + 8291559364 = 249657^2 + 91058^2 .

It is an emirp because it is prime and its reverse (31077102607) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70620177013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70620177013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70620177083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35310088506 + 35310088507.

It is an arithmetic number, because the mean of its divisors is an integer number (35310088507).

Almost surely, 2^70620177013 is an apocalyptic number.

It is an amenable number.

70620177013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70620177013 is an equidigital number, since it uses as much as digits as its factorization.

70620177013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The spelling of 70620177013 in words is "seventy billion, six hundred twenty million, one hundred seventy-seven thousand, thirteen".