72402500018941 has 2 divisors, whose sum is σ = 72402500018942. Its totient is φ = 72402500018940.

The previous prime is 72402500018917. The next prime is 72402500019011. The reversal of 72402500018941 is 14981000520427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41861999907225 + 30540500111716 = 6470085^2 + 5526346^2 .

It is a cyclic number.

It is not a de Polignac number, because 72402500018941 - 2²⁹ = 72401963148029 is a prime.

It is a super-2 number, since 2×72402500018941² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72402500013941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36201250009470 + 36201250009471.

It is an arithmetic number, because the mean of its divisors is an integer number (36201250009471).

Almost surely, 2^{72402500018941} is an apocalyptic number.

It is an amenable number.

72402500018941 is a deficient number, since it is larger than the sum of its proper divisors (1).

72402500018941 is an equidigital number, since it uses as much as digits as its factorization.

72402500018941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 72402500018941 in words is "seventy-two trillion, four hundred two billion, five hundred million, eighteen thousand, nine hundred forty-one".