82749413407 has 2 divisors, whose sum is σ = 82749413408. Its totient is φ = 82749413406.

The previous prime is 82749413287. The next prime is 82749413441. The reversal of 82749413407 is 70431494728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82749413407 - 2²³ = 82741024799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82749413807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41374706703 + 41374706704.

It is an arithmetic number, because the mean of its divisors is an integer number (41374706704).

Almost surely, 2^82749413407 is an apocalyptic number.

82749413407 is a deficient number, since it is larger than the sum of its proper divisors (1).

82749413407 is an equidigital number, since it uses as much as digits as its factorization.

82749413407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 82749413407 in words is "eighty-two billion, seven hundred forty-nine million, four hundred thirteen thousand, four hundred seven".