8198837406853 has 2 divisors, whose sum is σ = 8198837406854. Its totient is φ = 8198837406852.

The previous prime is 8198837406833. The next prime is 8198837406871. The reversal of 8198837406853 is 3586047388918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7377970602564 + 820866804289 = 2716242^2 + 906017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8198837406853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8198837406803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099418703426 + 4099418703427.

It is an arithmetic number, because the mean of its divisors is an integer number (4099418703427).

Almost surely, 2^{8198837406853} is an apocalyptic number.

It is an amenable number.

8198837406853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8198837406853 is an equidigital number, since it uses as much as digits as its factorization.

8198837406853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 278691840, while the sum is 70.

The spelling of 8198837406853 in words is "eight trillion, one hundred ninety-eight billion, eight hundred thirty-seven million, four hundred six thousand, eight hundred fifty-three".