374619891869 has 2 divisors, whose sum is σ = 374619891870. Its totient is φ = 374619891868.

The previous prime is 374619891839. The next prime is 374619891881. The reversal of 374619891869 is 968198916473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374619891844 + 25 = 612062^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374619891869 is a prime.

It is a super-2 number, since 2×374619891869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374619891829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187309945934 + 187309945935.

It is an arithmetic number, because the mean of its divisors is an integer number (187309945935).

Almost surely, 2^374619891869 is an apocalyptic number.

It is an amenable number.

374619891869 is a deficient number, since it is larger than the sum of its proper divisors (1).

374619891869 is an equidigital number, since it uses as much as digits as its factorization.

374619891869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 71.

The spelling of 374619891869 in words is "three hundred seventy-four billion, six hundred nineteen million, eight hundred ninety-one thousand, eight hundred sixty-nine".