2149536730 has 32 divisors (see below), whose sum is σ = 4225151808. Its totient is φ = 780864000.

The previous prime is 2149536703. The next prime is 2149536731. The reversal of 2149536730 is 376359412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2149536731) 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, 106314 + ... + 124906.

It is an arithmetic number, because the mean of its divisors is an integer number (132035994).

Almost surely, 2^2149536730 is an apocalyptic number.

2149536730 is a deficient number, since it is larger than the sum of its proper divisors (2075615078).

2149536730 is a wasteful number, since it uses less digits than its factorization.

2149536730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 2149536730 is about 46363.0966394610. The cubic root of 2149536730 is about 1290.5701724037.

The spelling of 2149536730 in words is "two billion, one hundred forty-nine million, five hundred thirty-six thousand, seven hundred thirty".