426725191683 has 80 divisors (see below), whose sum is σ = 752435994816. Its totient is φ = 235963653120.

The previous prime is 426725191663. The next prime is 426725191687. The reversal of 426725191683 is 386191527624.

It is a happy number.

426725191683 is a `hidden beast` number, since 4 + 2 + 67 + 2 + 519 + 1 + 68 + 3 = 666.

It is not a de Polignac number, because 426725191683 - 2⁸ = 426725191427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426725191687) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2096463 + ... + 2290983.

Almost surely, 2^426725191683 is an apocalyptic number.

426725191683 is a deficient number, since it is larger than the sum of its proper divisors (325710803133).

426725191683 is a wasteful number, since it uses less digits than its factorization.

426725191683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194666 (or 194657 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 426725191683 in words is "four hundred twenty-six billion, seven hundred twenty-five million, one hundred ninety-one thousand, six hundred eighty-three".