426623553151031 has 2 divisors, whose sum is σ = 426623553151032. Its totient is φ = 426623553151030.

The previous prime is 426623553150979. The next prime is 426623553151141. The reversal of 426623553151031 is 130151355326624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426623553151031 is a prime.

It is a super-2 number, since 2×426623553151031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426623543151031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213311776575515 + 213311776575516.

It is an arithmetic number, because the mean of its divisors is an integer number (213311776575516).

Almost surely, 2^{426623553151031} is an apocalyptic number.

426623553151031 is a deficient number, since it is larger than the sum of its proper divisors (1).

426623553151031 is an equidigital number, since it uses as much as digits as its factorization.

426623553151031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 426623553151031 in words is "four hundred twenty-six trillion, six hundred twenty-three billion, five hundred fifty-three million, one hundred fifty-one thousand, thirty-one".