425637864650 has 48 divisors (see below), whose sum is σ = 850767618816. Its totient is φ = 157848472320.

The previous prime is 425637864611. The next prime is 425637864677. The reversal of 425637864650 is 56468736524.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3679994 + ... + 3793893.

It is an arithmetic number, because the mean of its divisors is an integer number (17724325392).

Almost surely, 2^425637864650 is an apocalyptic number.

425637864650 is a deficient number, since it is larger than the sum of its proper divisors (425129754166).

425637864650 is a wasteful number, since it uses less digits than its factorization.

425637864650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473983 (or 7473978 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 425637864650 in words is "four hundred twenty-five billion, six hundred thirty-seven million, eight hundred sixty-four thousand, six hundred fifty".