3642461187 has 4 divisors (see below), whose sum is σ = 4856614920. Its totient is φ = 2428307456.

The previous prime is 3642461183. The next prime is 3642461213. The reversal of 3642461187 is 7811642463.

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 3642461187 - 2² = 3642461183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3642461183) 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, 607076862 + ... + 607076867.

It is an arithmetic number, because the mean of its divisors is an integer number (1214153730).

Almost surely, 2^3642461187 is an apocalyptic number.

3642461187 is a deficient number, since it is larger than the sum of its proper divisors (1214153733).

3642461187 is a wasteful number, since it uses less digits than its factorization.

3642461187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214153732.

The product of its digits is 193536, while the sum is 42.

The square root of 3642461187 is about 60352.8059579669. The cubic root of 3642461187 is about 1538.6209596231.

The spelling of 3642461187 in words is "three billion, six hundred forty-two million, four hundred sixty-one thousand, one hundred eighty-seven".