634704255130 has 32 divisors (see below), whose sum is σ = 1246362121728. Its totient is φ = 230795294400.

The previous prime is 634704255061. The next prime is 634704255131. The reversal of 634704255130 is 31552407436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (634704255131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6523440 + ... + 6620020.

It is an arithmetic number, because the mean of its divisors is an integer number (38948816304).

Almost surely, 2^634704255130 is an apocalyptic number.

634704255130 is a deficient number, since it is larger than the sum of its proper divisors (611657866598).

634704255130 is a wasteful number, since it uses less digits than its factorization.

634704255130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156342.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 634704255130 in words is "six hundred thirty-four billion, seven hundred four million, two hundred fifty-five thousand, one hundred thirty".