2381654556 has 48 divisors (see below), whose sum is σ = 6178210080. Its totient is φ = 793428480.

The previous prime is 2381654521. The next prime is 2381654567. The reversal of 2381654556 is 6554561832.

2381654556 is a `hidden beast` number, since 2 + 38 + 1 + 65 + 4 + 556 = 666.

2381654556 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 219450 + ... + 230046.

It is an arithmetic number, because the mean of its divisors is an integer number (128712710).

Almost surely, 2^2381654556 is an apocalyptic number.

It is an amenable number.

2381654556 is an abundant number, since it is smaller than the sum of its proper divisors (3796555524).

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

2381654556 is a wasteful number, since it uses less digits than its factorization.

2381654556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691 (or 12683 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 2381654556 is about 48802.1982701599. The cubic root of 2381654556 is about 1335.4457695812.

The spelling of 2381654556 in words is "two billion, three hundred eighty-one million, six hundred fifty-four thousand, five hundred fifty-six".