2515213849 has 2 divisors, whose sum is σ = 2515213850. Its totient is φ = 2515213848.

The previous prime is 2515213847. The next prime is 2515213871. The reversal of 2515213849 is 9483125152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020952025 + 494261824 = 44955^2 + 22232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515213849 - 2¹ = 2515213847 is a prime.

Together with 2515213847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2515213847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257606924 + 1257606925.

It is an arithmetic number, because the mean of its divisors is an integer number (1257606925).

Almost surely, 2^2515213849 is an apocalyptic number.

It is an amenable number.

2515213849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515213849 is an equidigital number, since it uses as much as digits as its factorization.

2515213849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 2515213849 is about 50151.9077304144. The cubic root of 2515213849 is about 1359.9563583530.

The spelling of 2515213849 in words is "two billion, five hundred fifteen million, two hundred thirteen thousand, eight hundred forty-nine".