413721999 has 20 divisors (see below), whose sum is σ = 644902896. Its totient is φ = 263821536.

The previous prime is 413721991. The next prime is 413722003. The reversal of 413721999 is 999127314.

It is not a de Polignac number, because 413721999 - 2³ = 413721991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413721991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109174 + ... + 112899.

Almost surely, 2^413721999 is an apocalyptic number.

413721999 is a deficient number, since it is larger than the sum of its proper divisors (231180897).

413721999 is a wasteful number, since it uses less digits than its factorization.

413721999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222108 (or 222099 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 413721999 is about 20340.1573002767. The cubic root of 413721999 is about 745.1371301407.

The spelling of 413721999 in words is "four hundred thirteen million, seven hundred twenty-one thousand, nine hundred ninety-nine".