3630501889 has 4 divisors (see below), whose sum is σ = 4149145024. Its totient is φ = 3111858756.

The previous prime is 3630501871. The next prime is 3630501943. The reversal of 3630501889 is 9881050363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9881050363 = 313 ⋅31568851.

It is a cyclic number.

It is not a de Polignac number, because 3630501889 - 2⁵ = 3630501857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630501829) 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, 259321557 + ... + 259321570.

It is an arithmetic number, because the mean of its divisors is an integer number (1037286256).

Almost surely, 2^3630501889 is an apocalyptic number.

It is an amenable number.

3630501889 is a deficient number, since it is larger than the sum of its proper divisors (518643135).

3630501889 is an equidigital number, since it uses as much as digits as its factorization.

3630501889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518643134.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 3630501889 is about 60253.6462714083. The cubic root of 3630501889 is about 1536.9351945209.

The spelling of 3630501889 in words is "three billion, six hundred thirty million, five hundred one thousand, eight hundred eighty-nine".