2923491787 has 2 divisors, whose sum is σ = 2923491788. Its totient is φ = 2923491786.

The previous prime is 2923491749. The next prime is 2923491803. The reversal of 2923491787 is 7871943292.

2923491787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2923491787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2923492787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461745893 + 1461745894.

It is an arithmetic number, because the mean of its divisors is an integer number (1461745894).

Almost surely, 2^2923491787 is an apocalyptic number.

2923491787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2923491787 is an equidigital number, since it uses as much as digits as its factorization.

2923491787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 2923491787 is about 54069.3238999712. The cubic root of 2923491787 is about 1429.8834056567.

The spelling of 2923491787 in words is "two billion, nine hundred twenty-three million, four hundred ninety-one thousand, seven hundred eighty-seven".