413771989 has 2 divisors, whose sum is σ = 413771990. Its totient is φ = 413771988.

The previous prime is 413771977. The next prime is 413772013. The reversal of 413771989 is 989177314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396408100 + 17363889 = 19910^2 + 4167^2 .

It is a cyclic number.

It is not a de Polignac number, because 413771989 - 2¹³ = 413763797 is a prime.

It is a super-2 number, since 2×413771989² = 342414517762032242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413771489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206885994 + 206885995.

It is an arithmetic number, because the mean of its divisors is an integer number (206885995).

Almost surely, 2^413771989 is an apocalyptic number.

It is an amenable number.

413771989 is a deficient number, since it is larger than the sum of its proper divisors (1).

413771989 is an equidigital number, since it uses as much as digits as its factorization.

413771989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 413771989 is about 20341.3861130455. The cubic root of 413771989 is about 745.1671405543.

The spelling of 413771989 in words is "four hundred thirteen million, seven hundred seventy-one thousand, nine hundred eighty-nine".