401379618859 has 4 divisors (see below), whose sum is σ = 412227716704. Its totient is φ = 390531521016.

The previous prime is 401379618847. The next prime is 401379618883. The reversal of 401379618859 is 958816973104.

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

It is a cyclic number.

It is not a de Polignac number, because 401379618859 - 2¹¹ = 401379616811 is a prime.

It is a super-2 number, since 2×401379618859² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401379618797 and 401379618806.

It is not an unprimeable number, because it can be changed into a prime (401379618559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424048867 + ... + 5424048940.

It is an arithmetic number, because the mean of its divisors is an integer number (103056929176).

Almost surely, 2^401379618859 is an apocalyptic number.

401379618859 is a deficient number, since it is larger than the sum of its proper divisors (10848097845).

401379618859 is a wasteful number, since it uses less digits than its factorization.

401379618859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848097844.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 401379618859 in words is "four hundred one billion, three hundred seventy-nine million, six hundred eighteen thousand, eight hundred fifty-nine".