13072465573 has 2 divisors, whose sum is σ = 13072465574. Its totient is φ = 13072465572.

The previous prime is 13072465559. The next prime is 13072465589. The reversal of 13072465573 is 37556427031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9789519364 + 3282946209 = 98942^2 + 57297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13072465573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13072465873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6536232786 + 6536232787.

It is an arithmetic number, because the mean of its divisors is an integer number (6536232787).

Almost surely, 2^13072465573 is an apocalyptic number.

It is an amenable number.

13072465573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13072465573 is an equidigital number, since it uses as much as digits as its factorization.

13072465573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 13072465573 in words is "thirteen billion, seventy-two million, four hundred sixty-five thousand, five hundred seventy-three".