82542037519 has 2 divisors, whose sum is σ = 82542037520. Its totient is φ = 82542037518.

The previous prime is 82542037499. The next prime is 82542037531. The reversal of 82542037519 is 91573024528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82542037519 - 2⁹ = 82542037007 is a prime.

It is a super-2 number, since 2×82542037519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82542037549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41271018759 + 41271018760.

It is an arithmetic number, because the mean of its divisors is an integer number (41271018760).

Almost surely, 2^82542037519 is an apocalyptic number.

82542037519 is a deficient number, since it is larger than the sum of its proper divisors (1).

82542037519 is an equidigital number, since it uses as much as digits as its factorization.

82542037519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 82542037519 in words is "eighty-two billion, five hundred forty-two million, thirty-seven thousand, five hundred nineteen".