2002171700537 has 4 divisors (see below), whose sum is σ = 2107549158480. Its totient is φ = 1896794242596.

The previous prime is 2002171700519. The next prime is 2002171700539. The reversal of 2002171700537 is 7350071712002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002171700537 - 2¹⁴ = 2002171684153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002171700497 and 2002171700506.

It is not an unprimeable number, because it can be changed into a prime (2002171700539) 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, 52688728943 + ... + 52688728980.

It is an arithmetic number, because the mean of its divisors is an integer number (526887289620).

Almost surely, 2^{2002171700537} is an apocalyptic number.

It is an amenable number.

2002171700537 is a deficient number, since it is larger than the sum of its proper divisors (105377457943).

2002171700537 is a wasteful number, since it uses less digits than its factorization.

2002171700537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105377457942.

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 2002171700537 in words is "two trillion, two billion, one hundred seventy-one million, seven hundred thousand, five hundred thirty-seven".