655103849 has 2 divisors, whose sum is σ = 655103850. Its totient is φ = 655103848.

The previous prime is 655103809. The next prime is 655103879. The reversal of 655103849 is 948301556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572166400 + 82937449 = 23920^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 655103849 - 2⁸ = 655103593 is a prime.

It is a super-2 number, since 2×655103849² = 858322105949229602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (655103809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327551924 + 327551925.

It is an arithmetic number, because the mean of its divisors is an integer number (327551925).

Almost surely, 2^655103849 is an apocalyptic number.

It is an amenable number.

655103849 is a deficient number, since it is larger than the sum of its proper divisors (1).

655103849 is an equidigital number, since it uses as much as digits as its factorization.

655103849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 655103849 is about 25594.9965618283. The cubic root of 655103849 is about 868.5004551173.

The spelling of 655103849 in words is "six hundred fifty-five million, one hundred three thousand, eight hundred forty-nine".