406136010491 has 2 divisors, whose sum is σ = 406136010492. Its totient is φ = 406136010490.

The previous prime is 406136010463. The next prime is 406136010541. The reversal of 406136010491 is 194010631604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406136010491 - 2³⁸ = 131258103547 is a prime.

It is a super-2 number, since 2×406136010491² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406136015491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203068005245 + 203068005246.

It is an arithmetic number, because the mean of its divisors is an integer number (203068005246).

Almost surely, 2^406136010491 is an apocalyptic number.

406136010491 is a deficient number, since it is larger than the sum of its proper divisors (1).

406136010491 is an equidigital number, since it uses as much as digits as its factorization.

406136010491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 406136010491 in words is "four hundred six billion, one hundred thirty-six million, ten thousand, four hundred ninety-one".