374840128297 has 2 divisors, whose sum is σ = 374840128298. Its totient is φ = 374840128296.

The previous prime is 374840128279. The next prime is 374840128319. The reversal of 374840128297 is 792821048473.

Together with previous prime (374840128279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195014092816 + 179826035481 = 441604^2 + 424059^2 .

It is an emirp because it is prime and its reverse (792821048473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374840128297 is a prime.

It is a super-2 number, since 2×374840128297² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (374840128237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187420064148 + 187420064149.

It is an arithmetic number, because the mean of its divisors is an integer number (187420064149).

Almost surely, 2^374840128297 is an apocalyptic number.

It is an amenable number.

374840128297 is a deficient number, since it is larger than the sum of its proper divisors (1).

374840128297 is an equidigital number, since it uses as much as digits as its factorization.

374840128297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 374840128297 in words is "three hundred seventy-four billion, eight hundred forty million, one hundred twenty-eight thousand, two hundred ninety-seven".