426181613 has 8 divisors (see below), whose sum is σ = 500689056. Its totient is φ = 357634800.

The previous prime is 426181601. The next prime is 426181621. The reversal of 426181613 is 316181624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426181613 - 2¹² = 426177517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426181613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426181633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490003 + ... + 1490288.

It is an arithmetic number, because the mean of its divisors is an integer number (62586132).

Almost surely, 2^426181613 is an apocalyptic number.

It is an amenable number.

426181613 is a deficient number, since it is larger than the sum of its proper divisors (74507443).

426181613 is a wasteful number, since it uses less digits than its factorization.

426181613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980315.

The product of its digits is 6912, while the sum is 32.

The square root of 426181613 is about 20644.1665610409. The cubic root of 426181613 is about 752.5434318188.

The spelling of 426181613 in words is "four hundred twenty-six million, one hundred eighty-one thousand, six hundred thirteen".