72459741919 has 2 divisors, whose sum is σ = 72459741920. Its totient is φ = 72459741918.

The previous prime is 72459741901. The next prime is 72459741941. The reversal of 72459741919 is 91914795427.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72459741919 - 2¹³ = 72459733727 is a prime.

It is a super-2 number, since 2×72459741919² (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 (72459751919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36229870959 + 36229870960.

It is an arithmetic number, because the mean of its divisors is an integer number (36229870960).

Almost surely, 2^72459741919 is an apocalyptic number.

72459741919 is a deficient number, since it is larger than the sum of its proper divisors (1).

72459741919 is an equidigital number, since it uses as much as digits as its factorization.

72459741919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 58.

The spelling of 72459741919 in words is "seventy-two billion, four hundred fifty-nine million, seven hundred forty-one thousand, nine hundred nineteen".