374946493891 has 2 divisors, whose sum is σ = 374946493892. Its totient is φ = 374946493890.

The previous prime is 374946493849. The next prime is 374946493931. The reversal of 374946493891 is 198394649473.

It is a strong prime.

It is an emirp because it is prime and its reverse (198394649473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374946493891 - 2¹³ = 374946485699 is a prime.

It is not a weakly prime, because it can be changed into another prime (374946493991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187473246945 + 187473246946.

It is an arithmetic number, because the mean of its divisors is an integer number (187473246946).

Almost surely, 2^374946493891 is an apocalyptic number.

374946493891 is a deficient number, since it is larger than the sum of its proper divisors (1).

374946493891 is an equidigital number, since it uses as much as digits as its factorization.

374946493891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 67.

The spelling of 374946493891 in words is "three hundred seventy-four billion, nine hundred forty-six million, four hundred ninety-three thousand, eight hundred ninety-one".