413694981 has 12 divisors (see below), whose sum is σ = 682925152. Its totient is φ = 236397096.

The previous prime is 413694971. The next prime is 413694989. The reversal of 413694981 is 189496314.

It is not a de Polignac number, because 413694981 - 2¹¹ = 413692933 is a prime.

It is a super-2 number, since 2×413694981² = 342287074609180722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413694989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3283231 + ... + 3283356.

Almost surely, 2^413694981 is an apocalyptic number.

It is an amenable number.

413694981 is a deficient number, since it is larger than the sum of its proper divisors (269230171).

413694981 is a wasteful number, since it uses less digits than its factorization.

413694981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566600 (or 6566597 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 413694981 is about 20339.4931352775. The cubic root of 413694981 is about 745.1209094633.

The spelling of 413694981 in words is "four hundred thirteen million, six hundred ninety-four thousand, nine hundred eighty-one".