1481521889850 has 24 divisors (see below), whose sum is σ = 3674174287200. Its totient is φ = 395072503920.

The previous prime is 1481521889831. The next prime is 1481521889927. The reversal of 1481521889850 is 589881251841.

It is a super-2 number, since 2×1481521889850² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4938406150 + ... + 4938406449.

It is an arithmetic number, because the mean of its divisors is an integer number (153090595300).

Almost surely, 2^{1481521889850} is an apocalyptic number.

1481521889850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1481521889850 is an abundant number, since it is smaller than the sum of its proper divisors (2192652397350).

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

1481521889850 is a wasteful number, since it uses less digits than its factorization.

1481521889850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876812614 (or 9876812609 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 60.

The spelling of 1481521889850 in words is "one trillion, four hundred eighty-one billion, five hundred twenty-one million, eight hundred eighty-nine thousand, eight hundred fifty".