72982554451 has 2 divisors, whose sum is σ = 72982554452. Its totient is φ = 72982554450.

The previous prime is 72982554413. The next prime is 72982554529. The reversal of 72982554451 is 15445528927.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15445528927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72982554451 - 2²¹ = 72980457299 is a prime.

It is a super-2 number, since 2×72982554451² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72982554551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36491277225 + 36491277226.

It is an arithmetic number, because the mean of its divisors is an integer number (36491277226).

Almost surely, 2^72982554451 is an apocalyptic number.

72982554451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72982554451 is an equidigital number, since it uses as much as digits as its factorization.

72982554451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 52.

The spelling of 72982554451 in words is "seventy-two billion, nine hundred eighty-two million, five hundred fifty-four thousand, four hundred fifty-one".