374242493 has 2 divisors, whose sum is σ = 374242494. Its totient is φ = 374242492.

The previous prime is 374242441. The next prime is 374242501. The reversal of 374242493 is 394242473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318336964 + 55905529 = 17842^2 + 7477^2 .

It is a cyclic number.

It is not a de Polignac number, because 374242493 - 2²⁰ = 373193917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374242093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187121246 + 187121247.

It is an arithmetic number, because the mean of its divisors is an integer number (187121247).

Almost surely, 2^374242493 is an apocalyptic number.

It is an amenable number.

374242493 is a deficient number, since it is larger than the sum of its proper divisors (1).

374242493 is an equidigital number, since it uses as much as digits as its factorization.

374242493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 38.

The square root of 374242493 is about 19345.3480971525. The cubic root of 374242493 is about 720.6388959960.

The spelling of 374242493 in words is "three hundred seventy-four million, two hundred forty-two thousand, four hundred ninety-three".