1959902994 has 16 divisors (see below), whose sum is σ = 4479778368. Its totient is φ = 559972272.

The previous prime is 1959902983. The next prime is 1959902999. The reversal of 1959902994 is 4992099591.

It is not an unprimeable number, because it can be changed into a prime (1959902999) 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 7 ways as a sum of consecutive naturals, for example, 23332137 + ... + 23332220.

It is an arithmetic number, because the mean of its divisors is an integer number (279986148).

Almost surely, 2^1959902994 is an apocalyptic number.

1959902994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1959902994 is an abundant number, since it is smaller than the sum of its proper divisors (2519875374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1959902994 is a wasteful number, since it uses less digits than its factorization.

1959902994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46664369.

The product of its (nonzero) digits is 2361960, while the sum is 57.

The square root of 1959902994 is about 44270.7916577059. The cubic root of 1959902994 is about 1251.4443026026. Note that the first 3 decimals are identical.

The spelling of 1959902994 in words is "one billion, nine hundred fifty-nine million, nine hundred two thousand, nine hundred ninety-four".