3872631563 has 4 divisors (see below), whose sum is σ = 3902193768. Its totient is φ = 3843069360.

The previous prime is 3872631523. The next prime is 3872631583. The reversal of 3872631563 is 3651362783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3651362783 = 139 ⋅26268797.

It is a cyclic number.

It is not a de Polignac number, because 3872631563 - 2¹⁸ = 3872369419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872631523) 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, 14780906 + ... + 14781167.

It is an arithmetic number, because the mean of its divisors is an integer number (975548442).

Almost surely, 2^3872631563 is an apocalyptic number.

3872631563 is a deficient number, since it is larger than the sum of its proper divisors (29562205).

3872631563 is a wasteful number, since it uses less digits than its factorization.

3872631563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29562204.

The product of its digits is 544320, while the sum is 44.

The square root of 3872631563 is about 62230.4713384046. The cubic root of 3872631563 is about 1570.3702540015.

The spelling of 3872631563 in words is "three billion, eight hundred seventy-two million, six hundred thirty-one thousand, five hundred sixty-three".