425351165971 has 2 divisors, whose sum is σ = 425351165972. Its totient is φ = 425351165970.

The previous prime is 425351165951. The next prime is 425351166049. The reversal of 425351165971 is 179561153524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425351165971 - 2²⁵ = 425317611539 is a prime.

It is a super-2 number, since 2×425351165971² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425351165951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212675582985 + 212675582986.

It is an arithmetic number, because the mean of its divisors is an integer number (212675582986).

Almost surely, 2^425351165971 is an apocalyptic number.

425351165971 is a deficient number, since it is larger than the sum of its proper divisors (1).

425351165971 is an equidigital number, since it uses as much as digits as its factorization.

425351165971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 49.

The spelling of 425351165971 in words is "four hundred twenty-five billion, three hundred fifty-one million, one hundred sixty-five thousand, nine hundred seventy-one".