23779033519 has 2 divisors, whose sum is σ = 23779033520. Its totient is φ = 23779033518.

The previous prime is 23779033471. The next prime is 23779033541. The reversal of 23779033519 is 91533097732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23779033519 is a prime.

It is a super-2 number, since 2×23779033519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23779033559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11889516759 + 11889516760.

It is an arithmetic number, because the mean of its divisors is an integer number (11889516760).

Almost surely, 2^23779033519 is an apocalyptic number.

23779033519 is a deficient number, since it is larger than the sum of its proper divisors (1).

23779033519 is an equidigital number, since it uses as much as digits as its factorization.

23779033519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 49.

The spelling of 23779033519 in words is "twenty-three billion, seven hundred seventy-nine million, thirty-three thousand, five hundred nineteen".