1916926799 has 16 divisors (see below), whose sum is σ = 2004735744. Its totient is φ = 1831502400.

The previous prime is 1916926793. The next prime is 1916926801. The reversal of 1916926799 is 9976296191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1916926799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916926793) 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, 397547 + ... + 402339.

It is an arithmetic number, because the mean of its divisors is an integer number (125295984).

Almost surely, 2^1916926799 is an apocalyptic number.

1916926799 is a deficient number, since it is larger than the sum of its proper divisors (87808945).

1916926799 is a wasteful number, since it uses less digits than its factorization.

1916926799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038.

The product of its digits is 3306744, while the sum is 59.

The square root of 1916926799 is about 43782.7226083532. The cubic root of 1916926799 is about 1242.2295128363.

The spelling of 1916926799 in words is "one billion, nine hundred sixteen million, nine hundred twenty-six thousand, seven hundred ninety-nine".