425401062656 has 18 divisors (see below), whose sum is σ = 849140402922. Its totient is φ = 212700531200.

The previous prime is 425401062637. The next prime is 425401062659. The reversal of 425401062656 is 656260104524.

It can be written as a sum of positive squares in only one way, i.e., 246031872256 + 179369190400 = 496016^2 + 423520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425401062659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830861195 + ... + 830861706.

It is an arithmetic number, because the mean of its divisors is an integer number (47174466829).

Almost surely, 2^425401062656 is an apocalyptic number.

It is an amenable number.

425401062656 is a deficient number, since it is larger than the sum of its proper divisors (423739340266).

425401062656 is an equidigital number, since it uses as much as digits as its factorization.

425401062656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661722917 (or 1661722903 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 425401062656 in words is "four hundred twenty-five billion, four hundred one million, sixty-two thousand, six hundred fifty-six".