84029242501 has 4 divisors (see below), whose sum is σ = 84115250892. Its totient is φ = 83943234112.

The previous prime is 84029242457. The next prime is 84029242529. The reversal of 84029242501 is 10524292048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59443316100 + 24585926401 = 243810^2 + 156799^2 .

It is a cyclic number.

It is not a de Polignac number, because 84029242501 - 2¹¹ = 84029240453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84029242541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43002730 + ... + 43004683.

It is an arithmetic number, because the mean of its divisors is an integer number (21028812723).

Almost surely, 2^84029242501 is an apocalyptic number.

It is an amenable number.

84029242501 is a deficient number, since it is larger than the sum of its proper divisors (86008391).

84029242501 is an equidigital number, since it uses as much as digits as its factorization.

84029242501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86008390.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 84029242501 in words is "eighty-four billion, twenty-nine million, two hundred forty-two thousand, five hundred one".