1968325215 has 24 divisors (see below), whose sum is σ = 3224309040. Its totient is φ = 1025345664.

The previous prime is 1968325193. The next prime is 1968325217. The reversal of 1968325215 is 5125238691.

It is not a de Polignac number, because 1968325215 - 2⁷ = 1968325087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968325217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7750 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (134346210).

Almost surely, 2^1968325215 is an apocalyptic number.

1968325215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1968325215 is a deficient number, since it is larger than the sum of its proper divisors (1255983825).

1968325215 is an equidigital number, since it uses as much as digits as its factorization.

1968325215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71063 (or 71020 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1968325215 is about 44365.8113303476. The cubic root of 1968325215 is about 1253.2343365689.

The spelling of 1968325215 in words is "one billion, nine hundred sixty-eight million, three hundred twenty-five thousand, two hundred fifteen".