2398989103949 has 2 divisors, whose sum is σ = 2398989103950. Its totient is φ = 2398989103948.

The previous prime is 2398989103867. The next prime is 2398989103991. The reversal of 2398989103949 is 9493019898932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2361723504100 + 37265599849 = 1536790^2 + 193043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398989103949 - 2¹² = 2398989099853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2398989153949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199494551974 + 1199494551975.

It is an arithmetic number, because the mean of its divisors is an integer number (1199494551975).

Almost surely, 2^{2398989103949} is an apocalyptic number.

It is an amenable number.

2398989103949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398989103949 is an equidigital number, since it uses as much as digits as its factorization.

2398989103949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272097792, while the sum is 74.

The spelling of 2398989103949 in words is "two trillion, three hundred ninety-eight billion, nine hundred eighty-nine million, one hundred three thousand, nine hundred forty-nine".