426626246321146 has 8 divisors (see below), whose sum is σ = 639976145545044. Its totient is φ = 213300864472800.

The previous prime is 426626246321113. The next prime is 426626246321153. The reversal of 426626246321146 is 641123642626624.

It can be written as a sum of positive squares in 2 ways, for example, as 413847373011121 + 12778873310025 = 20343239^2 + 3574755^2 .

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

It is a super-2 number, since 2×426626246321146² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6129300385 + ... + 6129369988.

Almost surely, 2^{426626246321146} is an apocalyptic number.

426626246321146 is a deficient number, since it is larger than the sum of its proper divisors (213349899223898).

426626246321146 is a wasteful number, since it uses less digits than its factorization.

426626246321146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258687776.

The product of its digits is 23887872, while the sum is 55.

The spelling of 426626246321146 in words is "four hundred twenty-six trillion, six hundred twenty-six billion, two hundred forty-six million, three hundred twenty-one thousand, one hundred forty-six".