2149796731 has 8 divisors (see below), whose sum is σ = 2164855104. Its totient is φ = 2134761480.

The previous prime is 2149796713. The next prime is 2149796749. The reversal of 2149796731 is 1376979412.

It is an interprime number because it is at equal distance from previous prime (2149796713) and next prime (2149796749).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2149796731 - 2⁷ = 2149796603 is a prime.

It is a super-2 number, since 2×2149796731² = 9243251969236572722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149796431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207996 + ... + 218086.

It is an arithmetic number, because the mean of its divisors is an integer number (270606888).

Almost surely, 2^2149796731 is an apocalyptic number.

2149796731 is a deficient number, since it is larger than the sum of its proper divisors (15058373).

2149796731 is a wasteful number, since it uses less digits than its factorization.

2149796731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561.

The product of its digits is 571536, while the sum is 49.

The square root of 2149796731 is about 46365.9005196707. The cubic root of 2149796731 is about 1290.6222047017.

The spelling of 2149796731 in words is "two billion, one hundred forty-nine million, seven hundred ninety-six thousand, seven hundred thirty-one".