425160389779 has 2 divisors, whose sum is σ = 425160389780. Its totient is φ = 425160389778.

The previous prime is 425160389749. The next prime is 425160389783. The reversal of 425160389779 is 977983061524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425160389779 - 2³¹ = 423012906131 is a prime.

It is a super-2 number, since 2×425160389779² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425160389729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212580194889 + 212580194890.

It is an arithmetic number, because the mean of its divisors is an integer number (212580194890).

It is a 1-persistent number, because it is pandigital, but 2⋅425160389779 = 850320779558 is not.

Almost surely, 2^425160389779 is an apocalyptic number.

425160389779 is a deficient number, since it is larger than the sum of its proper divisors (1).

425160389779 is an equidigital number, since it uses as much as digits as its factorization.

425160389779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 425160389779 in words is "four hundred twenty-five billion, one hundred sixty million, three hundred eighty-nine thousand, seven hundred seventy-nine".