841374749 has 2 divisors, whose sum is σ = 841374750. Its totient is φ = 841374748.

The previous prime is 841374733. The next prime is 841374791. The reversal of 841374749 is 947473148.

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., 804856900 + 36517849 = 28370^2 + 6043^2 .

It is a cyclic number.

It is not a de Polignac number, because 841374749 - 2⁴ = 841374733 is a prime.

It is a super-2 number, since 2×841374749² = 1415822936509626002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841374719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420687374 + 420687375.

It is an arithmetic number, because the mean of its divisors is an integer number (420687375).

Almost surely, 2^841374749 is an apocalyptic number.

It is an amenable number.

841374749 is a deficient number, since it is larger than the sum of its proper divisors (1).

841374749 is an equidigital number, since it uses as much as digits as its factorization.

841374749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 841374749 is about 29006.4604700401. The cubic root of 841374749 is about 944.0532492496.

The spelling of 841374749 in words is "eight hundred forty-one million, three hundred seventy-four thousand, seven hundred forty-nine".