1403797849 has 2 divisors, whose sum is σ = 1403797850. Its totient is φ = 1403797848.

The previous prime is 1403797817. The next prime is 1403797853. The reversal of 1403797849 is 9487973041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1351885824 + 51912025 = 36768^2 + 7205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403797849 - 2⁵ = 1403797817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1403797796 and 1403797805.

It is not a weakly prime, because it can be changed into another prime (1403797859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701898924 + 701898925.

It is an arithmetic number, because the mean of its divisors is an integer number (701898925).

Almost surely, 2^1403797849 is an apocalyptic number.

It is an amenable number.

1403797849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403797849 is an equidigital number, since it uses as much as digits as its factorization.

1403797849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 1403797849 is about 37467.2903877502. The cubic root of 1403797849 is about 1119.6996029512.

The spelling of 1403797849 in words is "one billion, four hundred three million, seven hundred ninety-seven thousand, eight hundred forty-nine".