2158374747 has 16 divisors (see below), whose sum is σ = 2912493312. Its totient is φ = 1421647200.

The previous prime is 2158374739. The next prime is 2158374817. The reversal of 2158374747 is 7474738512.

It is not a de Polignac number, because 2158374747 - 2³ = 2158374739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158374696 and 2158374705.

It is not an unprimeable number, because it can be changed into a prime (2158374737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140248 + ... + 154874.

It is an arithmetic number, because the mean of its divisors is an integer number (182030832).

Almost surely, 2^2158374747 is an apocalyptic number.

2158374747 is a deficient number, since it is larger than the sum of its proper divisors (754118565).

2158374747 is a wasteful number, since it uses less digits than its factorization.

2158374747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15218.

The product of its digits is 1317120, while the sum is 48.

The square root of 2158374747 is about 46458.3119258546. The cubic root of 2158374747 is about 1292.3365195724.

The spelling of 2158374747 in words is "two billion, one hundred fifty-eight million, three hundred seventy-four thousand, seven hundred forty-seven".