83412511645249 has 2 divisors, whose sum is σ = 83412511645250. Its totient is φ = 83412511645248.

The previous prime is 83412511645213. The next prime is 83412511645271. The reversal of 83412511645249 is 94254611521438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64528767680400 + 18883743964849 = 8032980^2 + 4345543^2 .

It is a cyclic number.

It is not a de Polignac number, because 83412511645249 - 2¹³ = 83412511637057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83412511645249.

It is not a weakly prime, because it can be changed into another prime (83412511645289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41706255822624 + 41706255822625.

It is an arithmetic number, because the mean of its divisors is an integer number (41706255822625).

Almost surely, 2^{83412511645249} is an apocalyptic number.

It is an amenable number.

83412511645249 is a deficient number, since it is larger than the sum of its proper divisors (1).

83412511645249 is an equidigital number, since it uses as much as digits as its factorization.

83412511645249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 55.

The spelling of 83412511645249 in words is "eighty-three trillion, four hundred twelve billion, five hundred eleven million, six hundred forty-five thousand, two hundred forty-nine".