85650633519 has 16 divisors (see below), whose sum is σ = 127949842560. Its totient is φ = 50506515360.

The previous prime is 85650633479. The next prime is 85650633533. The reversal of 85650633519 is 91533605658.

It is not a de Polignac number, because 85650633519 - 2²¹ = 85648536367 is a prime.

It is a super-2 number, since 2×85650633519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85650633569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35072749 + ... + 35075190.

It is an arithmetic number, because the mean of its divisors is an integer number (7996865160).

Almost surely, 2^85650633519 is an apocalyptic number.

85650633519 is a deficient number, since it is larger than the sum of its proper divisors (42299209041).

85650633519 is a wasteful number, since it uses less digits than its factorization.

85650633519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70147990.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 85650633519 in words is "eighty-five billion, six hundred fifty million, six hundred thirty-three thousand, five hundred nineteen".