1853351853398 has 8 divisors (see below), whose sum is σ = 2869706095680. Its totient is φ = 896783154840.

The previous prime is 1853351853383. The next prime is 1853351853433. The reversal of 1853351853398 is 8933581533581.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 29892771829 = 1853351853398 / (1 + 8 + 5 + 3 + 3 + 5 + 1 + 8 + 5 + 3 + 3 + 9 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1853351853398.

It is a congruent 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, 14946385853 + ... + 14946385976.

It is an arithmetic number, because the mean of its divisors is an integer number (358713261960).

Almost surely, 2^{1853351853398} is an apocalyptic number.

1853351853398 is a deficient number, since it is larger than the sum of its proper divisors (1016354242282).

1853351853398 is a wasteful number, since it uses less digits than its factorization.

1853351853398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29892771862.

The product of its digits is 46656000, while the sum is 62.

The spelling of 1853351853398 in words is "one trillion, eight hundred fifty-three billion, three hundred fifty-one million, eight hundred fifty-three thousand, three hundred ninety-eight".