421950613 has 24 divisors (see below), whose sum is σ = 523305600. Its totient is φ = 338240448.

The previous prime is 421950611. The next prime is 421950619. The reversal of 421950613 is 316059124.

It is not a de Polignac number, because 421950613 - 2¹ = 421950611 is a prime.

It is a super-2 number, since 2×421950613² = 356084639622151538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421950611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70681 + ... + 76417.

It is an arithmetic number, because the mean of its divisors is an integer number (21804400).

Almost surely, 2^421950613 is an apocalyptic number.

It is an amenable number.

421950613 is a deficient number, since it is larger than the sum of its proper divisors (101354987).

421950613 is a wasteful number, since it uses less digits than its factorization.

421950613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849 (or 5842 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 421950613 is about 20541.4364882303. The cubic root of 421950613 is about 750.0448050270.

The spelling of 421950613 in words is "four hundred twenty-one million, nine hundred fifty thousand, six hundred thirteen".