3642662563 has 4 divisors (see below), whose sum is σ = 3660967600. Its totient is φ = 3624357528.

The previous prime is 3642662557. The next prime is 3642662567. The reversal of 3642662563 is 3652662463.

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

It is a cyclic number.

It is not a de Polignac number, because 3642662563 - 2⁵ = 3642662531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642662567) 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, 9152220 + ... + 9152617.

It is an arithmetic number, because the mean of its divisors is an integer number (915241900).

Almost surely, 2^3642662563 is an apocalyptic number.

3642662563 is a deficient number, since it is larger than the sum of its proper divisors (18305037).

3642662563 is a wasteful number, since it uses less digits than its factorization.

3642662563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305036.

The product of its digits is 933120, while the sum is 43.

The square root of 3642662563 is about 60354.4742583348. The cubic root of 3642662563 is about 1538.6493136772.

It can be divided in two parts, 36426 and 62563, that added together give a palindrome (98989).

The spelling of 3642662563 in words is "three billion, six hundred forty-two million, six hundred sixty-two thousand, five hundred sixty-three".