2149272746 has 4 divisors (see below), whose sum is σ = 3223909122. Its totient is φ = 1074636372.

The previous prime is 2149272739. The next prime is 2149272773. The reversal of 2149272746 is 6472729412.

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., 2147859025 + 1413721 = 46345^2 + 1189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2149272697 and 2149272706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537318185 + ... + 537318188.

Almost surely, 2^2149272746 is an apocalyptic number.

2149272746 is a deficient number, since it is larger than the sum of its proper divisors (1074636376).

2149272746 is a wasteful number, since it uses less digits than its factorization.

2149272746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074636375.

The product of its digits is 338688, while the sum is 44.

The square root of 2149272746 is about 46360.2496326325. The cubic root of 2149272746 is about 1290.5173387211.

The spelling of 2149272746 in words is "two billion, one hundred forty-nine million, two hundred seventy-two thousand, seven hundred forty-six".