43780969814 has 16 divisors (see below), whose sum is σ = 66089076768. Its totient is φ = 21751664832.

The previous prime is 43780969769. The next prime is 43780969823. The reversal of 43780969814 is 41896908734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130484 + ... + 323400.

It is an arithmetic number, because the mean of its divisors is an integer number (4130567298).

Almost surely, 2^43780969814 is an apocalyptic number.

43780969814 is a deficient number, since it is larger than the sum of its proper divisors (22308106954).

43780969814 is a wasteful number, since it uses less digits than its factorization.

43780969814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193639.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 43780969814 in words is "forty-three billion, seven hundred eighty million, nine hundred sixty-nine thousand, eight hundred fourteen".