83629773691249 has 2 divisors, whose sum is σ = 83629773691250. Its totient is φ = 83629773691248.

The previous prime is 83629773691193. The next prime is 83629773691297. The reversal of 83629773691249 is 94219637792638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72792720378225 + 10837053313024 = 8531865^2 + 3291968^2 .

It is a cyclic number.

It is not a de Polignac number, because 83629773691249 - 2⁹ = 83629773690737 is a prime.

It is not a weakly prime, because it can be changed into another prime (83629773691349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41814886845624 + 41814886845625.

It is an arithmetic number, because the mean of its divisors is an integer number (41814886845625).

Almost surely, 2^{83629773691249} is an apocalyptic number.

It is an amenable number.

83629773691249 is a deficient number, since it is larger than the sum of its proper divisors (1).

83629773691249 is an equidigital number, since it uses as much as digits as its factorization.

83629773691249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481421312, while the sum is 76.

The spelling of 83629773691249 in words is "eighty-three trillion, six hundred twenty-nine billion, seven hundred seventy-three million, six hundred ninety-one thousand, two hundred forty-nine".