72454435351 has 2 divisors, whose sum is σ = 72454435352. Its totient is φ = 72454435350.

The previous prime is 72454435321. The next prime is 72454435379. The reversal of 72454435351 is 15353445427.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72454435351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72454435298 and 72454435307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72454435321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36227217675 + 36227217676.

It is an arithmetic number, because the mean of its divisors is an integer number (36227217676).

Almost surely, 2^72454435351 is an apocalyptic number.

72454435351 is a deficient number, since it is larger than the sum of its proper divisors (1).

72454435351 is an equidigital number, since it uses as much as digits as its factorization.

72454435351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 43.

The spelling of 72454435351 in words is "seventy-two billion, four hundred fifty-four million, four hundred thirty-five thousand, three hundred fifty-one".