1308380963 has 2 divisors, whose sum is σ = 1308380964. Its totient is φ = 1308380962.

The previous prime is 1308380959. The next prime is 1308381001. The reversal of 1308380963 is 3690838031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1308380963 - 2² = 1308380959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1308380963.

It is not a weakly prime, because it can be changed into another prime (1308380663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654190481 + 654190482.

It is an arithmetic number, because the mean of its divisors is an integer number (654190482).

Almost surely, 2^1308380963 is an apocalyptic number.

1308380963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308380963 is an equidigital number, since it uses as much as digits as its factorization.

1308380963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1308380963 is about 36171.5490821170. The cubic root of 1308380963 is about 1093.7332258957.

The spelling of 1308380963 in words is "one billion, three hundred eight million, three hundred eighty thousand, nine hundred sixty-three".