1913856548 has 48 divisors (see below), whose sum is σ = 3728202240. Its totient is φ = 855878400.

The previous prime is 1913856547. The next prime is 1913856551. The reversal of 1913856548 is 8456583191.

It is a junction number, because it is equal to n+sod(n) for n = 1913856496 and 1913856505.

It is not an unprimeable number, because it can be changed into a prime (1913856547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86690 + ... + 106502.

It is an arithmetic number, because the mean of its divisors is an integer number (77670880).

Almost surely, 2^1913856548 is an apocalyptic number.

It is an amenable number.

1913856548 is a deficient number, since it is larger than the sum of its proper divisors (1814345692).

1913856548 is a wasteful number, since it uses less digits than its factorization.

1913856548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19908 (or 19906 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 1913856548 is about 43747.6461995386. The cubic root of 1913856548 is about 1241.5659516906.

The spelling of 1913856548 in words is "one billion, nine hundred thirteen million, eight hundred fifty-six thousand, five hundred forty-eight".