1928545918124 has 24 divisors (see below), whose sum is σ = 3961337563680. Its totient is φ = 804181309056.

The previous prime is 1928545918093. The next prime is 1928545918127. The reversal of 1928545918124 is 4218195458291.

It is a happy number.

It is a super-2 number, since 2×1928545918124² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1928545918127) 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, 930764369 + ... + 930766440.

It is an arithmetic number, because the mean of its divisors is an integer number (165055731820).

Almost surely, 2^{1928545918124} is an apocalyptic number.

1928545918124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1928545918124 is an abundant number, since it is smaller than the sum of its proper divisors (2032791645556).

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

1928545918124 is a wasteful number, since it uses less digits than its factorization.

1928545918124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861530857 (or 1861530855 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 59.

The spelling of 1928545918124 in words is "one trillion, nine hundred twenty-eight billion, five hundred forty-five million, nine hundred eighteen thousand, one hundred twenty-four".