3642634855 has 8 divisors (see below), whose sum is σ = 4379522832. Its totient is φ = 2908533888.

The previous prime is 3642634823. The next prime is 3642634883. The reversal of 3642634855 is 5584362463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3642634855 - 2⁵ = 3642634823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693874 + ... + 699103.

It is an arithmetic number, because the mean of its divisors is an integer number (547440354).

Almost surely, 2^3642634855 is an apocalyptic number.

3642634855 is a deficient number, since it is larger than the sum of its proper divisors (736887977).

3642634855 is a wasteful number, since it uses less digits than its factorization.

3642634855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393505.

The product of its digits is 2073600, while the sum is 46.

The square root of 3642634855 is about 60354.2447140216. The cubic root of 3642634855 is about 1538.6454124097.

The spelling of 3642634855 in words is "three billion, six hundred forty-two million, six hundred thirty-four thousand, eight hundred fifty-five".