425964198979190 has 32 divisors (see below), whose sum is σ = 767368550664000. Its totient is φ = 170245027749888.

The previous prime is 425964198979183. The next prime is 425964198979307. The reversal of 425964198979190 is 91979891469524.

It is a happy number.

It is a super-2 number, since 2×425964198979190² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425964198979099 and 425964198979108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261615926 + ... + 263239094.

It is an arithmetic number, because the mean of its divisors is an integer number (23980267208250).

Almost surely, 2^{425964198979190} is an apocalyptic number.

425964198979190 is a deficient number, since it is larger than the sum of its proper divisors (341404351684810).

425964198979190 is a wasteful number, since it uses less digits than its factorization.

425964198979190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644824.

The product of its (nonzero) digits is 3174474240, while the sum is 83.

The spelling of 425964198979190 in words is "four hundred twenty-five trillion, nine hundred sixty-four billion, one hundred ninety-eight million, nine hundred seventy-nine thousand, one hundred ninety".