634223466206125 has 8 divisors (see below), whose sum is σ = 791510885825400. Its totient is φ = 507378772964800.

The previous prime is 634223466206123. The next prime is 634223466206257. The reversal of 634223466206125 is 521602664322436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6121927908009 + 628101538298116 = 2474253^2 + 25061954^2 .

It is not a de Polignac number, because 634223466206125 - 2¹ = 634223466206123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634223466206123) 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, 2536893864700 + ... + 2536893864949.

It is an arithmetic number, because the mean of its divisors is an integer number (98938860728175).

Almost surely, 2^{634223466206125} is an apocalyptic number.

It is an amenable number.

634223466206125 is a deficient number, since it is larger than the sum of its proper divisors (157287419619275).

634223466206125 is an equidigital number, since it uses as much as digits as its factorization.

634223466206125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073787729664 (or 5073787729654 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 634223466206125 in words is "six hundred thirty-four trillion, two hundred twenty-three billion, four hundred sixty-six million, two hundred six thousand, one hundred twenty-five".