2402263991 has 2 divisors, whose sum is σ = 2402263992. Its totient is φ = 2402263990.

The previous prime is 2402263967. The next prime is 2402264009. The reversal of 2402263991 is 1993622042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402263991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402263921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201131995 + 1201131996.

It is an arithmetic number, because the mean of its divisors is an integer number (1201131996).

Almost surely, 2^2402263991 is an apocalyptic number.

2402263991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402263991 is an equidigital number, since it uses as much as digits as its factorization.

2402263991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2402263991 is about 49012.8961702938. The cubic root of 2402263991 is about 1339.2867651245.

The spelling of 2402263991 in words is "two billion, four hundred two million, two hundred sixty-three thousand, nine hundred ninety-one".