634053423155451 has 16 divisors (see below), whose sum is σ = 939804577582080. Its totient is φ = 377600053491360.

The previous prime is 634053423155401. The next prime is 634053423155527. The reversal of 634053423155451 is 154551324350436.

It is not a de Polignac number, because 634053423155451 - 2¹³ = 634053423147259 is a prime.

It is a super-2 number, since 2×634053423155451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634053423155394 and 634053423155403.

It is not an unprimeable number, because it can be changed into a prime (634053423155401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262222258161 + ... + 262222260578.

It is an arithmetic number, because the mean of its divisors is an integer number (58737786098880).

Almost surely, 2^{634053423155451} is an apocalyptic number.

634053423155451 is a deficient number, since it is larger than the sum of its proper divisors (305751154426629).

634053423155451 is a wasteful number, since it uses less digits than its factorization.

634053423155451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524444518786.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 634053423155451 in words is "six hundred thirty-four trillion, fifty-three billion, four hundred twenty-three million, one hundred fifty-five thousand, four hundred fifty-one".