2172340494 has 12 divisors (see below), whose sum is σ = 4706737776. Its totient is φ = 724113492.

The previous prime is 2172340463. The next prime is 2172340523. The reversal of 2172340494 is 4940432712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60342774 + ... + 60342809.

It is an arithmetic number, because the mean of its divisors is an integer number (392228148).

Almost surely, 2^2172340494 is an apocalyptic number.

2172340494 is an abundant number, since it is smaller than the sum of its proper divisors (2534397282).

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

2172340494 is a wasteful number, since it uses less digits than its factorization.

2172340494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120685591 (or 120685588 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2172340494 is about 46608.3736468030. The cubic root of 2172340494 is about 1295.1178803761.

The spelling of 2172340494 in words is "two billion, one hundred seventy-two million, three hundred forty thousand, four hundred ninety-four".