6747401449 has 2 divisors, whose sum is σ = 6747401450. Its totient is φ = 6747401448.

The previous prime is 6747401359. The next prime is 6747401501. The reversal of 6747401449 is 9441047476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6214484224 + 532917225 = 78832^2 + 23085^2 .

It is a cyclic number.

It is not a de Polignac number, because 6747401449 - 2¹⁷ = 6747270377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6747401399 and 6747401408.

It is not a weakly prime, because it can be changed into another prime (6747401249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373700724 + 3373700725.

It is an arithmetic number, because the mean of its divisors is an integer number (3373700725).

Almost surely, 2^6747401449 is an apocalyptic number.

It is an amenable number.

6747401449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6747401449 is an equidigital number, since it uses as much as digits as its factorization.

6747401449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 6747401449 is about 82142.5678257017. The cubic root of 6747401449 is about 1889.6390274852.

The spelling of 6747401449 in words is "six billion, seven hundred forty-seven million, four hundred one thousand, four hundred forty-nine".