634276476363 has 4 divisors (see below), whose sum is σ = 845701968488. Its totient is φ = 422850984240.

The previous prime is 634276476349. The next prime is 634276476389. The reversal of 634276476363 is 363674672436.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 634276476363 - 2⁸ = 634276476107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634276477363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105712746058 + ... + 105712746063.

It is an arithmetic number, because the mean of its divisors is an integer number (211425492122).

Almost surely, 2^634276476363 is an apocalyptic number.

634276476363 is a deficient number, since it is larger than the sum of its proper divisors (211425492125).

634276476363 is a wasteful number, since it uses less digits than its factorization.

634276476363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211425492124.

The product of its digits is 54867456, while the sum is 57.

The spelling of 634276476363 in words is "six hundred thirty-four billion, two hundred seventy-six million, four hundred seventy-six thousand, three hundred sixty-three".