2129150290 has 16 divisors (see below), whose sum is σ = 3914013312. Its totient is φ = 833539504.

The previous prime is 2129150267. The next prime is 2129150297. The reversal of 2129150290 is 920519212.

It is not an unprimeable number, because it can be changed into a prime (2129150297) 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, 2264584 + ... + 2265523.

It is an arithmetic number, because the mean of its divisors is an integer number (244625832).

Almost surely, 2^2129150290 is an apocalyptic number.

2129150290 is a deficient number, since it is larger than the sum of its proper divisors (1784863022).

2129150290 is a wasteful number, since it uses less digits than its factorization.

2129150290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530161.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 2129150290 is about 46142.7165433506. The cubic root of 2129150290 is about 1286.4772364536.

The spelling of 2129150290 in words is "two billion, one hundred twenty-nine million, one hundred fifty thousand, two hundred ninety".