85018369465 has 4 divisors (see below), whose sum is σ = 102022043364. Its totient is φ = 68014695568.

The previous prime is 85018369451. The next prime is 85018369483. The reversal of 85018369465 is 56496381058.

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 32016660624 + 53001708841 = 178932^2 + 230221^2 .

It is a cyclic number.

It is not a de Polignac number, because 85018369465 - 2³¹ = 82870885817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501836942 + ... + 8501836951.

It is an arithmetic number, because the mean of its divisors is an integer number (25505510841).

Almost surely, 2^85018369465 is an apocalyptic number.

It is an amenable number.

85018369465 is a deficient number, since it is larger than the sum of its proper divisors (17003673899).

85018369465 is a wasteful number, since it uses less digits than its factorization.

85018369465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003673898.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 85018369465 in words is "eighty-five billion, eighteen million, three hundred sixty-nine thousand, four hundred sixty-five".