5911919999 has 2 divisors, whose sum is σ = 5911920000. Its totient is φ = 5911919998.

The previous prime is 5911919989. The next prime is 5911920029. The reversal of 5911919999 is 9999191195.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5911919999 - 2⁸ = 5911919743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5911919969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2955959999 + 2955960000.

It is an arithmetic number, because the mean of its divisors is an integer number (2955960000).

Almost surely, 2^5911919999 is an apocalyptic number.

5911919999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5911919999 is an equidigital number, since it uses as much as digits as its factorization.

5911919999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2657205, while the sum is 62.

The square root of 5911919999 is about 76889.0109118332. The cubic root of 5911919999 is about 1808.1849471726.

The spelling of 5911919999 in words is "five billion, nine hundred eleven million, nine hundred nineteen thousand, nine hundred ninety-nine".