83705953739501 has 2 divisors, whose sum is σ = 83705953739502. Its totient is φ = 83705953739500.

The previous prime is 83705953739497. The next prime is 83705953739549. The reversal of 83705953739501 is 10593735950738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57777846178276 + 25928107561225 = 7601174^2 + 5091965^2 .

It is a cyclic number.

It is not a de Polignac number, because 83705953739501 - 2² = 83705953739497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83705953730501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41852976869750 + 41852976869751.

It is an arithmetic number, because the mean of its divisors is an integer number (41852976869751).

Almost surely, 2^{83705953739501} is an apocalyptic number.

It is an amenable number.

83705953739501 is a deficient number, since it is larger than the sum of its proper divisors (1).

83705953739501 is an equidigital number, since it uses as much as digits as its factorization.

83705953739501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163000, while the sum is 65.

The spelling of 83705953739501 in words is "eighty-three trillion, seven hundred five billion, nine hundred fifty-three million, seven hundred thirty-nine thousand, five hundred one".