425634289377 has 16 divisors (see below), whose sum is σ = 639075532800. Its totient is φ = 249638878800.

The previous prime is 425634289313. The next prime is 425634289411. The reversal of 425634289377 is 773982436524.

It is a happy number.

It is not a de Polignac number, because 425634289377 - 2⁶ = 425634289313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425634289377.

It is not an unprimeable number, because it can be changed into a prime (425634289307) 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, 208031377 + ... + 208033422.

It is an arithmetic number, because the mean of its divisors is an integer number (39942220800).

Almost surely, 2^425634289377 is an apocalyptic number.

It is an amenable number.

425634289377 is a deficient number, since it is larger than the sum of its proper divisors (213441243423).

425634289377 is a wasteful number, since it uses less digits than its factorization.

425634289377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416064844.

The product of its digits is 60963840, while the sum is 60.

The spelling of 425634289377 in words is "four hundred twenty-five billion, six hundred thirty-four million, two hundred eighty-nine thousand, three hundred seventy-seven".