634050742554 has 12 divisors (see below), whose sum is σ = 1373776608906. Its totient is φ = 211350247512.

The previous prime is 634050742553. The next prime is 634050742597. The reversal of 634050742554 is 455247050436.

634050742554 is a `hidden beast` number, since 6 + 3 + 4 + 0 + 50 + 7 + 42 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 477612299025 + 156438443529 = 691095^2 + 395523^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (634050742553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17612520609 + ... + 17612520644.

Almost surely, 2^634050742554 is an apocalyptic number.

634050742554 is an abundant number, since it is smaller than the sum of its proper divisors (739725866352).

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

634050742554 is a wasteful number, since it uses less digits than its factorization.

634050742554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35225041261 (or 35225041258 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 634050742554 in words is "six hundred thirty-four billion, fifty million, seven hundred forty-two thousand, five hundred fifty-four".