10415254021 has 2 divisors, whose sum is σ = 10415254022. Its totient is φ = 10415254020.

The previous prime is 10415253991. The next prime is 10415254117. The reversal of 10415254021 is 12045251401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8951808996 + 1463445025 = 94614^2 + 38255^2 .

It is a cyclic number.

It is not a de Polignac number, because 10415254021 - 2⁹ = 10415253509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10415254321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5207627010 + 5207627011.

It is an arithmetic number, because the mean of its divisors is an integer number (5207627011).

Almost surely, 2^10415254021 is an apocalyptic number.

It is an amenable number.

10415254021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10415254021 is an equidigital number, since it uses as much as digits as its factorization.

10415254021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 10415254021 in words is "ten billion, four hundred fifteen million, two hundred fifty-four thousand, twenty-one".