2134450490 has 32 divisors (see below), whose sum is σ = 3908447424. Its totient is φ = 839076480.

The previous prime is 2134450477. The next prime is 2134450499. The reversal of 2134450490 is 940544312.

It is a super-2 number, since 2×2134450490² = 9111757788522480200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2134450499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302705 + ... + 309675.

It is an arithmetic number, because the mean of its divisors is an integer number (122138982).

Almost surely, 2^2134450490 is an apocalyptic number.

2134450490 is a deficient number, since it is larger than the sum of its proper divisors (1773996934).

2134450490 is a wasteful number, since it uses less digits than its factorization.

2134450490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2134450490 is about 46200.1135279990. The cubic root of 2134450490 is about 1287.5438491994.

The spelling of 2134450490 in words is "two billion, one hundred thirty-four million, four hundred fifty thousand, four hundred ninety".