43153780964 has 12 divisors (see below), whose sum is σ = 86307561984. Its totient is φ = 18494477544.

The previous prime is 43153780949. The next prime is 43153780973. The reversal of 43153780964 is 46908735134.

43153780964 is an admirable number.

It is a super-2 number, since 2×43153780964² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770603204 + ... + 770603259.

It is an arithmetic number, because the mean of its divisors is an integer number (7192296832).

Almost surely, 2^43153780964 is an apocalyptic number.

It is an amenable number.

43153780964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43153780964 is a wasteful number, since it uses less digits than its factorization.

43153780964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541206474 (or 1541206472 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 43153780964 in words is "forty-three billion, one hundred fifty-three million, seven hundred eighty thousand, nine hundred sixty-four".