200717642539 has 8 divisors (see below), whose sum is σ = 201384368640. Its totient is φ = 200051053800.

The previous prime is 200717642507. The next prime is 200717642549. The reversal of 200717642539 is 935246717002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200717642539 - 2⁵ = 200717642507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200717642549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489192 + ... + 3546250.

It is an arithmetic number, because the mean of its divisors is an integer number (25173046080).

Almost surely, 2^200717642539 is an apocalyptic number.

200717642539 is a deficient number, since it is larger than the sum of its proper divisors (666726101).

200717642539 is a wasteful number, since it uses less digits than its factorization.

200717642539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68681.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 200717642539 in words is "two hundred billion, seven hundred seventeen million, six hundred forty-two thousand, five hundred thirty-nine".