1820914874924 has 24 divisors (see below), whose sum is σ = 3378800958960. Its totient is φ = 856242717696.

The previous prime is 1820914874921. The next prime is 1820914874953. The reversal of 1820914874924 is 4294784190281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1820914874921) 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, 87432677 + ... + 87453500.

It is an arithmetic number, because the mean of its divisors is an integer number (140783373290).

Almost surely, 2^{1820914874924} is an apocalyptic number.

It is an amenable number.

1820914874924 is a deficient number, since it is larger than the sum of its proper divisors (1557886084036).

1820914874924 is a wasteful number, since it uses less digits than its factorization.

1820914874924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174886337 (or 174886335 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 1820914874924 in words is "one trillion, eight hundred twenty billion, nine hundred fourteen million, eight hundred seventy-four thousand, nine hundred twenty-four".