425137261775664 has 40 divisors (see below), whose sum is σ = 1098271998093312. Its totient is φ = 141712325300800.

The previous prime is 425137261775663. The next prime is 425137261775669. The reversal of 425137261775664 is 466577162731524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425137261775595 and 425137261775604.

It is not an unprimeable number, because it can be changed into a prime (425137261775663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136466977 + ... + 139547519.

Almost surely, 2^{425137261775664} is an apocalyptic number.

It is an amenable number.

425137261775664 is an abundant number, since it is smaller than the sum of its proper divisors (673134736317648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425137261775664 is a wasteful number, since it uses less digits than its factorization.

425137261775664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955705 (or 5955699 counting only the distinct ones).

The product of its digits is 355622400, while the sum is 66.

The spelling of 425137261775664 in words is "four hundred twenty-five trillion, one hundred thirty-seven billion, two hundred sixty-one million, seven hundred seventy-five thousand, six hundred sixty-four".