425676240163 has 16 divisors (see below), whose sum is σ = 431172720000. Its totient is φ = 420211556352.

The previous prime is 425676240151. The next prime is 425676240271. The reversal of 425676240163 is 361042676524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425676240163 is a prime.

It is a super-2 number, since 2×425676240163² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425676240463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35182531 + ... + 35194627.

It is an arithmetic number, because the mean of its divisors is an integer number (26948295000).

Almost surely, 2^425676240163 is an apocalyptic number.

425676240163 is a deficient number, since it is larger than the sum of its proper divisors (5496479837).

425676240163 is a wasteful number, since it uses less digits than its factorization.

425676240163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 425676240163 in words is "four hundred twenty-five billion, six hundred seventy-six million, two hundred forty thousand, one hundred sixty-three".