72411630347549 has 2 divisors, whose sum is σ = 72411630347550. Its totient is φ = 72411630347548.

The previous prime is 72411630347471. The next prime is 72411630347599. The reversal of 72411630347549 is 94574303611427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48841508368900 + 23570121978649 = 6988670^2 + 4854907^2 .

It is a cyclic number.

It is not a de Polignac number, because 72411630347549 - 2²⁸ = 72411361912093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72411630347494 and 72411630347503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72411630347599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36205815173774 + 36205815173775.

It is an arithmetic number, because the mean of its divisors is an integer number (36205815173775).

Almost surely, 2^{72411630347549} is an apocalyptic number.

It is an amenable number.

72411630347549 is a deficient number, since it is larger than the sum of its proper divisors (1).

72411630347549 is an equidigital number, since it uses as much as digits as its factorization.

72411630347549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 72411630347549 in words is "seventy-two trillion, four hundred eleven billion, six hundred thirty million, three hundred forty-seven thousand, five hundred forty-nine".