374077781893 has 2 divisors, whose sum is σ = 374077781894. Its totient is φ = 374077781892.

The previous prime is 374077781879. The next prime is 374077781927. The reversal of 374077781893 is 398187770473.

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., 368475708484 + 5602073409 = 607022^2 + 74847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374077781893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374077781873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187038890946 + 187038890947.

It is an arithmetic number, because the mean of its divisors is an integer number (187038890947).

Almost surely, 2^374077781893 is an apocalyptic number.

It is an amenable number.

374077781893 is a deficient number, since it is larger than the sum of its proper divisors (1).

374077781893 is an equidigital number, since it uses as much as digits as its factorization.

374077781893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 374077781893 in words is "three hundred seventy-four billion, seventy-seven million, seven hundred eighty-one thousand, eight hundred ninety-three".