1698519213412 has 192 divisors, whose sum is σ = 3528619773952. Its totient is φ = 700539840000.

The previous prime is 1698519213407. The next prime is 1698519213481. The reversal of 1698519213412 is 2143129158961.

It is a self number, because there is not a number n which added to its sum of digits gives 1698519213412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8049853987 + ... + 8049854197.

Almost surely, 2^{1698519213412} is an apocalyptic number.

It is an amenable number.

1698519213412 is an abundant number, since it is smaller than the sum of its proper divisors (1830100560540).

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

1698519213412 is a wasteful number, since it uses less digits than its factorization.

1698519213412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The spelling of 1698519213412 in words is "one trillion, six hundred ninety-eight billion, five hundred nineteen million, two hundred thirteen thousand, four hundred twelve".