426995743 has 2 divisors, whose sum is σ = 426995744. Its totient is φ = 426995742.

The previous prime is 426995687. The next prime is 426995747. The reversal of 426995743 is 347599624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426995743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426995747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213497871 + 213497872.

It is an arithmetic number, because the mean of its divisors is an integer number (213497872).

Almost surely, 2^426995743 is an apocalyptic number.

426995743 is a deficient number, since it is larger than the sum of its proper divisors (1).

426995743 is an equidigital number, since it uses as much as digits as its factorization.

426995743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 426995743 is about 20663.8753141805. The cubic root of 426995743 is about 753.0223187961.

The spelling of 426995743 in words is "four hundred twenty-six million, nine hundred ninety-five thousand, seven hundred forty-three".