426903731 has 2 divisors, whose sum is σ = 426903732. Its totient is φ = 426903730.

The previous prime is 426903709. The next prime is 426903733. The reversal of 426903731 is 137309624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426903731 - 2²⁶ = 359794867 is a prime.

It is a super-2 number, since 2×426903731² = 364493591083440722, which contains 22 as substring.

Together with 426903733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426903691 and 426903700.

It is not a weakly prime, because it can be changed into another prime (426903733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213451865 + 213451866.

It is an arithmetic number, because the mean of its divisors is an integer number (213451866).

Almost surely, 2^426903731 is an apocalyptic number.

426903731 is a deficient number, since it is larger than the sum of its proper divisors (1).

426903731 is an equidigital number, since it uses as much as digits as its factorization.

426903731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 426903731 is about 20661.6487967442. The cubic root of 426903731 is about 752.9682260889.

The spelling of 426903731 in words is "four hundred twenty-six million, nine hundred three thousand, seven hundred thirty-one".