2015412493 has 2 divisors, whose sum is σ = 2015412494. Its totient is φ = 2015412492.

The previous prime is 2015412491. The next prime is 2015412541. The reversal of 2015412493 is 3942145102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1454812164 + 560600329 = 38142^2 + 23677^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015412493 - 2¹ = 2015412491 is a prime.

Together with 2015412491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015412491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007706246 + 1007706247.

It is an arithmetic number, because the mean of its divisors is an integer number (1007706247).

Almost surely, 2^2015412493 is an apocalyptic number.

It is an amenable number.

2015412493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015412493 is an equidigital number, since it uses as much as digits as its factorization.

2015412493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2015412493 is about 44893.3457541315. The cubic root of 2015412493 is about 1263.1491924805.

Adding to 2015412493 its reverse (3942145102), we get a palindrome (5957557595).

The spelling of 2015412493 in words is "two billion, fifteen million, four hundred twelve thousand, four hundred ninety-three".