1349866877 has 2 divisors, whose sum is σ = 1349866878. Its totient is φ = 1349866876.

The previous prime is 1349866873. The next prime is 1349866933. The reversal of 1349866877 is 7786689431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271207716 + 78659161 = 35654^2 + 8869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349866877 - 2² = 1349866873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349866873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674933438 + 674933439.

It is an arithmetic number, because the mean of its divisors is an integer number (674933439).

Almost surely, 2^1349866877 is an apocalyptic number.

It is an amenable number.

1349866877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349866877 is an equidigital number, since it uses as much as digits as its factorization.

1349866877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 59.

The square root of 1349866877 is about 36740.5345225134. The cubic root of 1349866877 is about 1105.1731202998.

The spelling of 1349866877 in words is "one billion, three hundred forty-nine million, eight hundred sixty-six thousand, eight hundred seventy-seven".