374019889 has 2 divisors, whose sum is σ = 374019890. Its totient is φ = 374019888.

The previous prime is 374019881. The next prime is 374019913. The reversal of 374019889 is 988910473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372798864 + 1221025 = 19308^2 + 1105^2 .

It is an emirp because it is prime and its reverse (988910473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374019889 - 2³ = 374019881 is a prime.

It is not a weakly prime, because it can be changed into another prime (374019881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187009944 + 187009945.

It is an arithmetic number, because the mean of its divisors is an integer number (187009945).

Almost surely, 2^374019889 is an apocalyptic number.

It is an amenable number.

374019889 is a deficient number, since it is larger than the sum of its proper divisors (1).

374019889 is an equidigital number, since it uses as much as digits as its factorization.

374019889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 374019889 is about 19339.5938168308. The cubic root of 374019889 is about 720.4959860554.

The spelling of 374019889 in words is "three hundred seventy-four million, nineteen thousand, eight hundred eighty-nine".