1345091963 has 2 divisors, whose sum is σ = 1345091964. Its totient is φ = 1345091962.

The previous prime is 1345091939. The next prime is 1345091983. The reversal of 1345091963 is 3691905431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345091963 - 2⁶ = 1345091899 is a prime.

It is a super-3 number, since 3×1345091963³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345091963.

It is not a weakly prime, because it can be changed into another prime (1345091983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672545981 + 672545982.

It is an arithmetic number, because the mean of its divisors is an integer number (672545982).

Almost surely, 2^1345091963 is an apocalyptic number.

1345091963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345091963 is an equidigital number, since it uses as much as digits as its factorization.

1345091963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1345091963 is about 36675.4954022437. The cubic root of 1345091963 is about 1103.8684629723.

The spelling of 1345091963 in words is "one billion, three hundred forty-five million, ninety-one thousand, nine hundred sixty-three".