2319963551 has 2 divisors, whose sum is σ = 2319963552. Its totient is φ = 2319963550.

The previous prime is 2319963511. The next prime is 2319963559. The reversal of 2319963551 is 1553699132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2319963551 - 2¹⁰ = 2319962527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2319963559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159981775 + 1159981776.

It is an arithmetic number, because the mean of its divisors is an integer number (1159981776).

Almost surely, 2^2319963551 is an apocalyptic number.

2319963551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2319963551 is an equidigital number, since it uses as much as digits as its factorization.

2319963551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 44.

The square root of 2319963551 is about 48165.9999480962. Note that the first 4 decimals coincide. The cubic root of 2319963551 is about 1323.8142568163.

The spelling of 2319963551 in words is "two billion, three hundred nineteen million, nine hundred sixty-three thousand, five hundred fifty-one".