84358713629 has 2 divisors, whose sum is σ = 84358713630. Its totient is φ = 84358713628.

The previous prime is 84358713599. The next prime is 84358713661. The reversal of 84358713629 is 92631785348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70104741529 + 14253972100 = 264773^2 + 119390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84358713629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84358719629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42179356814 + 42179356815.

It is an arithmetic number, because the mean of its divisors is an integer number (42179356815).

Almost surely, 2^84358713629 is an apocalyptic number.

It is an amenable number.

84358713629 is a deficient number, since it is larger than the sum of its proper divisors (1).

84358713629 is an equidigital number, since it uses as much as digits as its factorization.

84358713629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 56.

The spelling of 84358713629 in words is "eighty-four billion, three hundred fifty-eight million, seven hundred thirteen thousand, six hundred twenty-nine".