3634173690 has 48 divisors (see below), whose sum is σ = 10146023712. Its totient is φ = 830667936.

The previous prime is 3634173661. The next prime is 3634173701. The reversal of 3634173690 is 963714363.

It is a super-2 number, since 2×3634173690² = 26414436818176432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1234644 + ... + 1237583.

It is an arithmetic number, because the mean of its divisors is an integer number (211375494).

Almost surely, 2^3634173690 is an apocalyptic number.

3634173690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3634173690 is an abundant number, since it is smaller than the sum of its proper divisors (6511850022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3634173690 is a wasteful number, since it uses less digits than its factorization.

3634173690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472251 (or 2472244 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 3634173690 is about 60284.1081048729. The cubic root of 3634173690 is about 1537.4531595222.

The spelling of 3634173690 in words is "three billion, six hundred thirty-four million, one hundred seventy-three thousand, six hundred ninety".