2257366949 has 2 divisors, whose sum is σ = 2257366950. Its totient is φ = 2257366948.

The previous prime is 2257366933. The next prime is 2257366999. The reversal of 2257366949 is 9496637522.

2257366949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954258849 + 303108100 = 44207^2 + 17410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257366949 - 2⁴ = 2257366933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257366949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257366919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128683474 + 1128683475.

It is an arithmetic number, because the mean of its divisors is an integer number (1128683475).

Almost surely, 2^2257366949 is an apocalyptic number.

It is an amenable number.

2257366949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257366949 is an equidigital number, since it uses as much as digits as its factorization.

2257366949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 53.

The square root of 2257366949 is about 47511.7559031446. The cubic root of 2257366949 is about 1311.7992774693.

The spelling of 2257366949 in words is "two billion, two hundred fifty-seven million, three hundred sixty-six thousand, nine hundred forty-nine".