634281046045 has 8 divisors (see below), whose sum is σ = 761386908600. Its totient is φ = 507258401280.

The previous prime is 634281046037. The next prime is 634281046099. The reversal of 634281046045 is 540640182436.

It can be written as a sum of positive squares in 4 ways, for example, as 12386354436 + 621894691609 = 111294^2 + 788603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634281046045 - 2³ = 634281046037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634281045992 and 634281046010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20787676 + ... + 20818165.

It is an arithmetic number, because the mean of its divisors is an integer number (95173363575).

Almost surely, 2^634281046045 is an apocalyptic number.

It is an amenable number.

634281046045 is a deficient number, since it is larger than the sum of its proper divisors (127105862555).

634281046045 is a wasteful number, since it uses less digits than its factorization.

634281046045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41608895.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 634281046045 in words is "six hundred thirty-four billion, two hundred eighty-one million, forty-six thousand, forty-five".