72913203101 has 2 divisors, whose sum is σ = 72913203102. Its totient is φ = 72913203100.

The previous prime is 72913203053. The next prime is 72913203127. The reversal of 72913203101 is 10130231927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72845470201 + 67732900 = 269899^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 72913203101 - 2⁶ = 72913203037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72913203151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36456601550 + 36456601551.

It is an arithmetic number, because the mean of its divisors is an integer number (36456601551).

Almost surely, 2^72913203101 is an apocalyptic number.

It is an amenable number.

72913203101 is a deficient number, since it is larger than the sum of its proper divisors (1).

72913203101 is an equidigital number, since it uses as much as digits as its factorization.

72913203101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 72913203101 in words is "seventy-two billion, nine hundred thirteen million, two hundred three thousand, one hundred one".