2394748549 has 2 divisors, whose sum is σ = 2394748550. Its totient is φ = 2394748548.

The previous prime is 2394748529. The next prime is 2394748591. The reversal of 2394748549 is 9458474932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1521546049 + 873202500 = 39007^2 + 29550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2394748549 - 2²¹ = 2392651397 is a prime.

It is a super-2 number, since 2×2394748549² = 11469641225875210802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2394748549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2394748529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197374274 + 1197374275.

It is an arithmetic number, because the mean of its divisors is an integer number (1197374275).

Almost surely, 2^2394748549 is an apocalyptic number.

It is an amenable number.

2394748549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2394748549 is an equidigital number, since it uses as much as digits as its factorization.

2394748549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The square root of 2394748549 is about 48936.1681070351. The cubic root of 2394748549 is about 1337.8886608459. Note that the first 3 decimals are identical.

The spelling of 2394748549 in words is "two billion, three hundred ninety-four million, seven hundred forty-eight thousand, five hundred forty-nine".