401513103686 has 4 divisors (see below), whose sum is σ = 602269655532. Its totient is φ = 200756551842.

The previous prime is 401513103683. The next prime is 401513103713. The reversal of 401513103686 is 686301315104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401513103686² (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 (401513103683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100378275920 + ... + 100378275923.

It is an arithmetic number, because the mean of its divisors is an integer number (150567413883).

Almost surely, 2^401513103686 is an apocalyptic number.

401513103686 is a deficient number, since it is larger than the sum of its proper divisors (200756551846).

401513103686 is a wasteful number, since it uses less digits than its factorization.

401513103686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200756551845.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 401513103686 in words is "four hundred one billion, five hundred thirteen million, one hundred three thousand, six hundred eighty-six".