70363561573 has 2 divisors, whose sum is σ = 70363561574. Its totient is φ = 70363561572.

The previous prime is 70363561469. The next prime is 70363561577. The reversal of 70363561573 is 37516536307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63767360484 + 6596201089 = 252522^2 + 81217^2 .

It is a cyclic number.

It is not a de Polignac number, because 70363561573 - 2²⁵ = 70330007141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70363561577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35181780786 + 35181780787.

It is an arithmetic number, because the mean of its divisors is an integer number (35181780787).

Almost surely, 2^70363561573 is an apocalyptic number.

It is an amenable number.

70363561573 is a deficient number, since it is larger than the sum of its proper divisors (1).

70363561573 is an equidigital number, since it uses as much as digits as its factorization.

70363561573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 46.

The spelling of 70363561573 in words is "seventy billion, three hundred sixty-three million, five hundred sixty-one thousand, five hundred seventy-three".