1916926801 has 2 divisors, whose sum is σ = 1916926802. Its totient is φ = 1916926800.

The previous prime is 1916926793. The next prime is 1916926813. The reversal of 1916926801 is 1086296191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040707600 + 876219201 = 32260^2 + 29601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916926801 - 2³ = 1916926793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1916926861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958463400 + 958463401.

It is an arithmetic number, because the mean of its divisors is an integer number (958463401).

Almost surely, 2^1916926801 is an apocalyptic number.

It is an amenable number.

1916926801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916926801 is an equidigital number, since it uses as much as digits as its factorization.

1916926801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1916926801 is about 43782.7226311932. The cubic root of 1916926801 is about 1242.2295132684.

The spelling of 1916926801 in words is "one billion, nine hundred sixteen million, nine hundred twenty-six thousand, eight hundred one".