425442663364 has 6 divisors (see below), whose sum is σ = 744524660894. Its totient is φ = 212721331680.

The previous prime is 425442663329. The next prime is 425442663403. The reversal of 425442663364 is 463366244524.

It can be written as a sum of positive squares in only one way, i.e., 268539531264 + 156903132100 = 518208^2 + 396110^2 .

It is a super-3 number, since 3×425442663364³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53180332917 + ... + 53180332924.

Almost surely, 2^425442663364 is an apocalyptic number.

It is an amenable number.

425442663364 is a deficient number, since it is larger than the sum of its proper divisors (319081997530).

425442663364 is a wasteful number, since it uses less digits than its factorization.

425442663364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106360665845 (or 106360665843 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 49.

The spelling of 425442663364 in words is "four hundred twenty-five billion, four hundred forty-two million, six hundred sixty-three thousand, three hundred sixty-four".