2158298674 has 16 divisors (see below), whose sum is σ = 3724776000. Its totient is φ = 918776304.

The previous prime is 2158298641. The next prime is 2158298687. The reversal of 2158298674 is 4768928512.

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, 515244 + ... + 519415.

It is an arithmetic number, because the mean of its divisors is an integer number (232798500).

Almost surely, 2^2158298674 is an apocalyptic number.

2158298674 is a deficient number, since it is larger than the sum of its proper divisors (1566477326).

2158298674 is a wasteful number, since it uses less digits than its factorization.

2158298674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034817.

The product of its digits is 1935360, while the sum is 52.

The square root of 2158298674 is about 46457.4931953931. The cubic root of 2158298674 is about 1292.3213363779.

The spelling of 2158298674 in words is "two billion, one hundred fifty-eight million, two hundred ninety-eight thousand, six hundred seventy-four".