401620982013 has 12 divisors (see below), whose sum is σ = 584547588768. Its totient is φ = 265703447880.

The previous prime is 401620982011. The next prime is 401620982017. The reversal of 401620982013 is 310289026104.

401620982013 is a `hidden beast` number, since 4 + 0 + 1 + 620 + 9 + 8 + 20 + 1 + 3 = 666.

It is not a de Polignac number, because 401620982013 - 2¹ = 401620982011 is a prime.

It is a super-2 number, since 2×401620982013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401620982011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170321545 + ... + 170323902.

It is an arithmetic number, because the mean of its divisors is an integer number (48712299064).

Almost surely, 2^401620982013 is an apocalyptic number.

It is an amenable number.

401620982013 is a deficient number, since it is larger than the sum of its proper divisors (182926606755).

401620982013 is a wasteful number, since it uses less digits than its factorization.

401620982013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340645584 (or 340645581 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 401620982013 in words is "four hundred one billion, six hundred twenty million, nine hundred eighty-two thousand, thirteen".