15352840049 has 2 divisors, whose sum is σ = 15352840050. Its totient is φ = 15352840048.

The previous prime is 15352840043. The next prime is 15352840103. The reversal of 15352840049 is 94004825351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10349399824 + 5003440225 = 101732^2 + 70735^2 .

It is a cyclic number.

It is not a de Polignac number, because 15352840049 - 2⁸ = 15352839793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15352839988 and 15352840015.

It is not a weakly prime, because it can be changed into another prime (15352840043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7676420024 + 7676420025.

It is an arithmetic number, because the mean of its divisors is an integer number (7676420025).

Almost surely, 2^15352840049 is an apocalyptic number.

It is an amenable number.

15352840049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15352840049 is an equidigital number, since it uses as much as digits as its factorization.

15352840049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 15352840049 in words is "fifteen billion, three hundred fifty-two million, eight hundred forty thousand, forty-nine".