10415210421 has 16 divisors (see below), whose sum is σ = 17313596928. Its totient is φ = 5410498800.

The previous prime is 10415210389. The next prime is 10415210431. The reversal of 10415210421 is 12401251401.

It is not a de Polignac number, because 10415210421 - 2⁵ = 10415210389 is a prime.

It is a super-2 number, since 2×10415210421² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10415210431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22543515 + ... + 22543976.

It is an arithmetic number, because the mean of its divisors is an integer number (1082099808).

Almost surely, 2^10415210421 is an apocalyptic number.

10415210421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10415210421 is a deficient number, since it is larger than the sum of its proper divisors (6898386507).

10415210421 is a wasteful number, since it uses less digits than its factorization.

10415210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45087512.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 10415210421 its reverse (12401251401), we get a palindrome (22816461822).

The spelling of 10415210421 in words is "ten billion, four hundred fifteen million, two hundred ten thousand, four hundred twenty-one".