1345471879 has 2 divisors, whose sum is σ = 1345471880. Its totient is φ = 1345471878.

The previous prime is 1345471859. The next prime is 1345471973. The reversal of 1345471879 is 9781745431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345471879 - 2¹⁵ = 1345439111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345471819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672735939 + 672735940.

It is an arithmetic number, because the mean of its divisors is an integer number (672735940).

Almost surely, 2^1345471879 is an apocalyptic number.

1345471879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345471879 is an equidigital number, since it uses as much as digits as its factorization.

1345471879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 1345471879 is about 36680.6744621742. The cubic root of 1345471879 is about 1103.9723809756.

The spelling of 1345471879 in words is "one billion, three hundred forty-five million, four hundred seventy-one thousand, eight hundred seventy-nine".