426651431 has 8 divisors (see below), whose sum is σ = 460273104. Its totient is φ = 393976960.

The previous prime is 426651427. The next prime is 426651437. The reversal of 426651431 is 134156624.

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 426651431 - 2² = 426651427 is a prime.

It is a super-2 number, since 2×426651431² = 364062887148695522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426651437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235865 + ... + 237666.

It is an arithmetic number, because the mean of its divisors is an integer number (57534138).

Almost surely, 2^426651431 is an apocalyptic number.

426651431 is a deficient number, since it is larger than the sum of its proper divisors (33621673).

426651431 is a wasteful number, since it uses less digits than its factorization.

426651431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473601.

The product of its digits is 17280, while the sum is 32.

The square root of 426651431 is about 20655.5423797101. The cubic root of 426651431 is about 752.8198621786.

The spelling of 426651431 in words is "four hundred twenty-six million, six hundred fifty-one thousand, four hundred thirty-one".