409462631 has 2 divisors, whose sum is σ = 409462632. Its totient is φ = 409462630.

The previous prime is 409462607. The next prime is 409462633. The reversal of 409462631 is 136264904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409462631 - 2¹⁰ = 409461607 is a prime.

It is a super-2 number, since 2×409462631² = 335319292370884322, which contains 22 as substring.

Together with 409462633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 409462591 and 409462600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409462633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204731315 + 204731316.

It is an arithmetic number, because the mean of its divisors is an integer number (204731316).

Almost surely, 2^409462631 is an apocalyptic number.

409462631 is a deficient number, since it is larger than the sum of its proper divisors (1).

409462631 is an equidigital number, since it uses as much as digits as its factorization.

409462631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 409462631 is about 20235.1829989254. The cubic root of 409462631 is about 742.5711819055.

The spelling of 409462631 in words is "four hundred nine million, four hundred sixty-two thousand, six hundred thirty-one".