806898554053 has 4 divisors (see below), whose sum is σ = 806904000288. Its totient is φ = 806893107820.

The previous prime is 806898554039. The next prime is 806898554071. The reversal of 806898554053 is 350455898608.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-806898554053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806898553982 and 806898554000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806898554153) 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, 2494483 + ... + 2799328.

It is an arithmetic number, because the mean of its divisors is an integer number (201726000072).

Almost surely, 2^806898554053 is an apocalyptic number.

It is an amenable number.

806898554053 is a deficient number, since it is larger than the sum of its proper divisors (5446235).

806898554053 is a wasteful number, since it uses less digits than its factorization.

806898554053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446234.

The product of its (nonzero) digits is 41472000, while the sum is 61.

The spelling of 806898554053 in words is "eight hundred six billion, eight hundred ninety-eight million, five hundred fifty-four thousand, fifty-three".