63390611673 has 24 divisors (see below), whose sum is σ = 97164699840. Its totient is φ = 39737855520.

The previous prime is 63390611659. The next prime is 63390611699. The reversal of 63390611673 is 37611609336.

63390611673 is a `hidden beast` number, since 633 + 9 + 0 + 6 + 1 + 1 + 6 + 7 + 3 = 666.

It is not a de Polignac number, because 63390611673 - 2⁴ = 63390611657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63390611633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2582998 + ... + 2607423.

It is an arithmetic number, because the mean of its divisors is an integer number (4048529160).

Almost surely, 2^63390611673 is an apocalyptic number.

It is an amenable number.

63390611673 is a deficient number, since it is larger than the sum of its proper divisors (33774088167).

63390611673 is a wasteful number, since it uses less digits than its factorization.

63390611673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190509 (or 5190506 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 63390611673 in words is "sixty-three billion, three hundred ninety million, six hundred eleven thousand, six hundred seventy-three".