1911916950 has 24 divisors (see below), whose sum is σ = 4741554408. Its totient is φ = 509844480.

The previous prime is 1911916931. The next prime is 1911916991. The reversal of 1911916950 is 596191191.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6372907 + ... + 6373206.

It is an arithmetic number, because the mean of its divisors is an integer number (197564767).

Almost surely, 2^1911916950 is an apocalyptic number.

1911916950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1911916950 is an abundant number, since it is smaller than the sum of its proper divisors (2829637458).

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

1911916950 is a wasteful number, since it uses less digits than its factorization.

1911916950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746128 (or 12746123 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 42.

The square root of 1911916950 is about 43725.4725531926. The cubic root of 1911916950 is about 1241.1463882343.

The spelling of 1911916950 in words is "one billion, nine hundred eleven million, nine hundred sixteen thousand, nine hundred fifty".