915483824641 has 2 divisors, whose sum is σ = 915483824642. Its totient is φ = 915483824640.

The previous prime is 915483824599. The next prime is 915483824669. The reversal of 915483824641 is 146428384519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588381043600 + 327102781041 = 767060^2 + 571929^2 .

It is an emirp because it is prime and its reverse (146428384519) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 915483824641 - 2²⁵ = 915450270209 is a prime.

It is a super-2 number, since 2×915483824641² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (915483824681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457741912320 + 457741912321.

It is an arithmetic number, because the mean of its divisors is an integer number (457741912321).

Almost surely, 2^915483824641 is an apocalyptic number.

It is an amenable number.

915483824641 is a deficient number, since it is larger than the sum of its proper divisors (1).

915483824641 is an equidigital number, since it uses as much as digits as its factorization.

915483824641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 55.

The spelling of 915483824641 in words is "nine hundred fifteen billion, four hundred eighty-three million, eight hundred twenty-four thousand, six hundred forty-one".