82949363851 has 2 divisors, whose sum is σ = 82949363852. Its totient is φ = 82949363850.

The previous prime is 82949363837. The next prime is 82949363921. The reversal of 82949363851 is 15836394928.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82949363851 is a prime.

It is not a weakly prime, because it can be changed into another prime (82949363351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41474681925 + 41474681926.

It is an arithmetic number, because the mean of its divisors is an integer number (41474681926).

Almost surely, 2^82949363851 is an apocalyptic number.

82949363851 is a deficient number, since it is larger than the sum of its proper divisors (1).

82949363851 is an equidigital number, since it uses as much as digits as its factorization.

82949363851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 58.

The spelling of 82949363851 in words is "eighty-two billion, nine hundred forty-nine million, three hundred sixty-three thousand, eight hundred fifty-one".