2173751492 has 72 divisors (see below), whose sum is σ = 4361878080. Its totient is φ = 938896000.

The previous prime is 2173751479. The next prime is 2173751519. The reversal of 2173751492 is 2941573712.

It is a happy number.

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, 13016393 + ... + 13016559.

It is an arithmetic number, because the mean of its divisors is an integer number (60581640).

Almost surely, 2^2173751492 is an apocalyptic number.

2173751492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2173751492 is an abundant number, since it is smaller than the sum of its proper divisors (2188126588).

2173751492 is a wasteful number, since it uses less digits than its factorization.

2173751492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 310 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 2173751492 is about 46623.5079332304. The cubic root of 2173751492 is about 1295.3982251985.

The spelling of 2173751492 in words is "two billion, one hundred seventy-three million, seven hundred fifty-one thousand, four hundred ninety-two".