859690954553 has 4 divisors (see below), whose sum is σ = 862625053668. Its totient is φ = 856756855440.

The previous prime is 859690954543. The next prime is 859690954579. The reversal of 859690954553 is 355459096958.

859690954553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 582944466064 + 276746488489 = 763508^2 + 526067^2 .

It is a cyclic number.

It is not a de Polignac number, because 859690954553 - 2²⁴ = 859674177337 is a prime.

It is a super-2 number, since 2×859690954553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (859690954543) 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, 1467049118 + ... + 1467049703.

It is an arithmetic number, because the mean of its divisors is an integer number (215656263417).

Almost surely, 2^859690954553 is an apocalyptic number.

It is an amenable number.

859690954553 is a deficient number, since it is larger than the sum of its proper divisors (2934099115).

859690954553 is a wasteful number, since it uses less digits than its factorization.

859690954553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934099114.

The product of its (nonzero) digits is 262440000, while the sum is 68.

The spelling of 859690954553 in words is "eight hundred fifty-nine billion, six hundred ninety million, nine hundred fifty-four thousand, five hundred fifty-three".