637523480005 has 4 divisors (see below), whose sum is σ = 765028176012. Its totient is φ = 510018784000.

The previous prime is 637523479991. The next prime is 637523480017. The reversal of 637523480005 is 500084325736.

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

It can be written as a sum of positive squares in 2 ways, for example, as 379458464004 + 258065016001 = 616002^2 + 508001^2 .

It is not a de Polignac number, because 637523480005 - 2⁹ = 637523479493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63752347996 + ... + 63752348005.

It is an arithmetic number, because the mean of its divisors is an integer number (191257044003).

Almost surely, 2^637523480005 is an apocalyptic number.

It is an amenable number.

637523480005 is a deficient number, since it is larger than the sum of its proper divisors (127504696007).

637523480005 is a wasteful number, since it uses less digits than its factorization.

637523480005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127504696006.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 637523480005 in words is "six hundred thirty-seven billion, five hundred twenty-three million, four hundred eighty thousand, five".