748688519 has 2 divisors, whose sum is σ = 748688520. Its totient is φ = 748688518.

The previous prime is 748688513. The next prime is 748688527. The reversal of 748688519 is 915886847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 748688519 - 2⁸ = 748688263 is a prime.

It is a super-2 number, since 2×748688519² = 1121068996964826722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748688513) 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, 374344259 + 374344260.

It is an arithmetic number, because the mean of its divisors is an integer number (374344260).

Almost surely, 2^748688519 is an apocalyptic number.

748688519 is a deficient number, since it is larger than the sum of its proper divisors (1).

748688519 is an equidigital number, since it uses as much as digits as its factorization.

748688519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 56.

The square root of 748688519 is about 27362.1731410354. The cubic root of 748688519 is about 908.0304054035.

The spelling of 748688519 in words is "seven hundred forty-eight million, six hundred eighty-eight thousand, five hundred nineteen".