1898369343474 has 16 divisors (see below), whose sum is σ = 3834330160320. Its totient is φ = 626524535600.

The previous prime is 1898369343473. The next prime is 1898369343503. The reversal of 1898369343474 is 4743439638981.

It is a junction number, because it is equal to n+sod(n) for n = 1898369343399 and 1898369343408.

It is not an unprimeable number, because it can be changed into a prime (1898369343473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566310734 + ... + 1566311945.

It is an arithmetic number, because the mean of its divisors is an integer number (239645635020).

Almost surely, 2^{1898369343474} is an apocalyptic number.

1898369343474 is an abundant number, since it is smaller than the sum of its proper divisors (1935960816846).

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

1898369343474 is a wasteful number, since it uses less digits than its factorization.

1898369343474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132622785.

The product of its digits is 376233984, while the sum is 69.

The spelling of 1898369343474 in words is "one trillion, eight hundred ninety-eight billion, three hundred sixty-nine million, three hundred forty-three thousand, four hundred seventy-four".