1914972799 has 2 divisors, whose sum is σ = 1914972800. Its totient is φ = 1914972798.

The previous prime is 1914972791. The next prime is 1914972947. The reversal of 1914972799 is 9972794191.

It is a weak prime.

It is an emirp because it is prime and its reverse (9972794191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1914972799 - 2³ = 1914972791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1914972791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957486399 + 957486400.

It is an arithmetic number, because the mean of its divisors is an integer number (957486400).

Almost surely, 2^1914972799 is an apocalyptic number.

1914972799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914972799 is an equidigital number, since it uses as much as digits as its factorization.

1914972799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 58.

The square root of 1914972799 is about 43760.4021805102. The cubic root of 1914972799 is about 1241.8072846305.

The spelling of 1914972799 in words is "one billion, nine hundred fourteen million, nine hundred seventy-two thousand, seven hundred ninety-nine".