1374412891 has 2 divisors, whose sum is σ = 1374412892. Its totient is φ = 1374412890.

The previous prime is 1374412877. The next prime is 1374412901. The reversal of 1374412891 is 1982144731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1374412891 - 2¹⁹ = 1373888603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1374412811) 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, 687206445 + 687206446.

It is an arithmetic number, because the mean of its divisors is an integer number (687206446).

Almost surely, 2^1374412891 is an apocalyptic number.

1374412891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374412891 is an equidigital number, since it uses as much as digits as its factorization.

1374412891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 1374412891 is about 37073.0750140854. The cubic root of 1374412891 is about 1111.8317538164.

The spelling of 1374412891 in words is "one billion, three hundred seventy-four million, four hundred twelve thousand, eight hundred ninety-one".