70356423563 has 2 divisors, whose sum is σ = 70356423564. Its totient is φ = 70356423562.

The previous prime is 70356423493. The next prime is 70356423607. The reversal of 70356423563 is 36532465307.

It is an a-pointer prime, because the next prime (70356423607) can be obtained adding 70356423563 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70356423563 - 2⁸ = 70356423307 is a prime.

It is a super-2 number, since 2×70356423563² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70356423763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35178211781 + 35178211782.

It is an arithmetic number, because the mean of its divisors is an integer number (35178211782).

Almost surely, 2^70356423563 is an apocalyptic number.

70356423563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70356423563 is an equidigital number, since it uses as much as digits as its factorization.

70356423563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 44.

The spelling of 70356423563 in words is "seventy billion, three hundred fifty-six million, four hundred twenty-three thousand, five hundred sixty-three".