2158103746 has 4 divisors (see below), whose sum is σ = 3237155622. Its totient is φ = 1079051872.

The previous prime is 2158103713. The next prime is 2158103803. The reversal of 2158103746 is 6473018512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1695380625 + 462723121 = 41175^2 + 21511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539525935 + ... + 539525938.

Almost surely, 2^2158103746 is an apocalyptic number.

2158103746 is a deficient number, since it is larger than the sum of its proper divisors (1079051876).

2158103746 is a wasteful number, since it uses less digits than its factorization.

2158103746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079051875.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2158103746 is about 46455.3952302636. The cubic root of 2158103746 is about 1292.2824296222.

The spelling of 2158103746 in words is "two billion, one hundred fifty-eight million, one hundred three thousand, seven hundred forty-six".