5403403249 has 2 divisors, whose sum is σ = 5403403250. Its totient is φ = 5403403248.

The previous prime is 5403403223. The next prime is 5403403259. The reversal of 5403403249 is 9423043045.

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., 5304500224 + 98903025 = 72832^2 + 9945^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403403249 - 2⁷ = 5403403121 is a prime.

It is not a weakly prime, because it can be changed into another prime (5403403259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701701624 + 2701701625.

It is an arithmetic number, because the mean of its divisors is an integer number (2701701625).

Almost surely, 2^5403403249 is an apocalyptic number.

It is an amenable number.

5403403249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5403403249 is an equidigital number, since it uses as much as digits as its factorization.

5403403249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 5403403249 is about 73507.8448126457. The cubic root of 5403403249 is about 1754.7791270264.

The spelling of 5403403249 in words is "five billion, four hundred three million, four hundred three thousand, two hundred forty-nine".