2173734398 has 16 divisors (see below), whose sum is σ = 3596989680. Its totient is φ = 976958400.

The previous prime is 2173734383. The next prime is 2173734419. The reversal of 2173734398 is 8934373712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553133 + ... + 557048.

It is an arithmetic number, because the mean of its divisors is an integer number (224811855).

Almost surely, 2^2173734398 is an apocalyptic number.

2173734398 is a deficient number, since it is larger than the sum of its proper divisors (1423255282).

2173734398 is a wasteful number, since it uses less digits than its factorization.

2173734398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110283.

The product of its digits is 762048, while the sum is 47.

The square root of 2173734398 is about 46623.3246133306. The cubic root of 2173734398 is about 1295.3948295949.

The spelling of 2173734398 in words is "two billion, one hundred seventy-three million, seven hundred thirty-four thousand, three hundred ninety-eight".