7397388049 has 2 divisors, whose sum is σ = 7397388050. Its totient is φ = 7397388048.

The previous prime is 7397388001. The next prime is 7397388071. The reversal of 7397388049 is 9408837937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4874134225 + 2523253824 = 69815^2 + 50232^2 .

It is an emirp because it is prime and its reverse (9408837937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7397388049 - 2⁹ = 7397387537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7397387984 and 7397388002.

It is not a weakly prime, because it can be changed into another prime (7397388749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3698694024 + 3698694025.

It is an arithmetic number, because the mean of its divisors is an integer number (3698694025).

Almost surely, 2^7397388049 is an apocalyptic number.

It is an amenable number.

7397388049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7397388049 is an equidigital number, since it uses as much as digits as its factorization.

7397388049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The square root of 7397388049 is about 86008.0696737231. The cubic root of 7397388049 is about 1948.4658587871.

The spelling of 7397388049 in words is "seven billion, three hundred ninety-seven million, three hundred eighty-eight thousand, forty-nine".