1898681540848 has 80 divisors (see below), whose sum is σ = 3822220737216. Its totient is φ = 913163397120.

The previous prime is 1898681540807. The next prime is 1898681540867. The reversal of 1898681540848 is 8480451868981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246138 + ... + 10429798.

Almost surely, 2^{1898681540848} is an apocalyptic number.

It is an amenable number.

1898681540848 is an abundant number, since it is smaller than the sum of its proper divisors (1923539196368).

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

1898681540848 is a wasteful number, since it uses less digits than its factorization.

1898681540848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183962 (or 183956 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 70.

The spelling of 1898681540848 in words is "one trillion, eight hundred ninety-eight billion, six hundred eighty-one million, five hundred forty thousand, eight hundred forty-eight".