1698742942900 has 72 divisors (see below), whose sum is σ = 3696235925760. Its totient is φ = 677661600000.

The previous prime is 1698742942891. The next prime is 1698742942901. The reversal of 1698742942900 is 92492478961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1698742942901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242639400 + ... + 242646400.

It is an arithmetic number, because the mean of its divisors is an integer number (51336610080).

Almost surely, 2^{1698742942900} is an apocalyptic number.

1698742942900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1698742942900 is an abundant number, since it is smaller than the sum of its proper divisors (1997492982860).

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

1698742942900 is a wasteful number, since it uses less digits than its factorization.

1698742942900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13225 (or 13218 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 1698742942900 in words is "one trillion, six hundred ninety-eight billion, seven hundred forty-two million, nine hundred forty-two thousand, nine hundred".