72265631239 has 2 divisors, whose sum is σ = 72265631240. Its totient is φ = 72265631238.

The previous prime is 72265631209. The next prime is 72265631261. The reversal of 72265631239 is 93213656227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72265631239 - 2³¹ = 70118147591 is a prime.

It is a super-2 number, since 2×72265631239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72265631209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132815619 + 36132815620.

It is an arithmetic number, because the mean of its divisors is an integer number (36132815620).

Almost surely, 2^72265631239 is an apocalyptic number.

72265631239 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265631239 is an equidigital number, since it uses as much as digits as its factorization.

72265631239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The spelling of 72265631239 in words is "seventy-two billion, two hundred sixty-five million, six hundred thirty-one thousand, two hundred thirty-nine".