100392121469 has 2 divisors, whose sum is σ = 100392121470. Its totient is φ = 100392121468.

The previous prime is 100392121447. The next prime is 100392121483. The reversal of 100392121469 is 964121293001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96978056569 + 3414064900 = 311413^2 + 58430^2 .

It is a cyclic number.

It is not a de Polignac number, because 100392121469 - 2³² = 96097154173 is a prime.

It is a super-2 number, since 2×100392121469² (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 (100392121409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50196060734 + 50196060735.

It is an arithmetic number, because the mean of its divisors is an integer number (50196060735).

Almost surely, 2^100392121469 is an apocalyptic number.

It is an amenable number.

100392121469 is a deficient number, since it is larger than the sum of its proper divisors (1).

100392121469 is an equidigital number, since it uses as much as digits as its factorization.

100392121469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 100392121469 in words is "one hundred billion, three hundred ninety-two million, one hundred twenty-one thousand, four hundred sixty-nine".