72245156839 has 2 divisors, whose sum is σ = 72245156840. Its totient is φ = 72245156838.

The previous prime is 72245156833. The next prime is 72245156843. The reversal of 72245156839 is 93865154227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72245156839 - 2⁹ = 72245156327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72245156833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36122578419 + 36122578420.

It is an arithmetic number, because the mean of its divisors is an integer number (36122578420).

Almost surely, 2^72245156839 is an apocalyptic number.

72245156839 is a deficient number, since it is larger than the sum of its proper divisors (1).

72245156839 is an equidigital number, since it uses as much as digits as its factorization.

72245156839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 72245156839 in words is "seventy-two billion, two hundred forty-five million, one hundred fifty-six thousand, eight hundred thirty-nine".