1374894401 has 2 divisors, whose sum is σ = 1374894402. Its totient is φ = 1374894400.

The previous prime is 1374894377. The next prime is 1374894407. The reversal of 1374894401 is 1044984731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352474176 + 22420225 = 36776^2 + 4735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374894401 is a prime.

It is a super-2 number, since 2×1374894401² = 3780669227802297602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1374894407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687447200 + 687447201.

It is an arithmetic number, because the mean of its divisors is an integer number (687447201).

Almost surely, 2^1374894401 is an apocalyptic number.

It is an amenable number.

1374894401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374894401 is an equidigital number, since it uses as much as digits as its factorization.

1374894401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1374894401 is about 37079.5685115132. The cubic root of 1374894401 is about 1111.9615778803.

The spelling of 1374894401 in words is "one billion, three hundred seventy-four million, eight hundred ninety-four thousand, four hundred one".