1898275863822 has 32 divisors (see below), whose sum is σ = 4098790231200. Its totient is φ = 582628300800.

The previous prime is 1898275863821. The next prime is 1898275863839. The reversal of 1898275863822 is 2283685728981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898275863821) 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, 30313947 + ... + 30376502.

It is an arithmetic number, because the mean of its divisors is an integer number (128087194725).

Almost surely, 2^{1898275863822} is an apocalyptic number.

1898275863822 is an abundant number, since it is smaller than the sum of its proper divisors (2200514367378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1898275863822 is a wasteful number, since it uses less digits than its factorization.

1898275863822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60690868.

The product of its digits is 185794560, while the sum is 69.

The spelling of 1898275863822 in words is "one trillion, eight hundred ninety-eight billion, two hundred seventy-five million, eight hundred sixty-three thousand, eight hundred twenty-two".