43737916461 has 16 divisors (see below), whose sum is σ = 60672442368. Its totient is φ = 27995814000.

The previous prime is 43737916447. The next prime is 43737916463. The reversal of 43737916461 is 16461973734.

It is not a de Polignac number, because 43737916461 - 2²⁵ = 43704362029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43737916463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839765 + ... + 1863386.

It is an arithmetic number, because the mean of its divisors is an integer number (3792027648).

Almost surely, 2^43737916461 is an apocalyptic number.

It is an amenable number.

43737916461 is a deficient number, since it is larger than the sum of its proper divisors (16934525907).

43737916461 is a wasteful number, since it uses less digits than its factorization.

43737916461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703312.

The product of its digits is 2286144, while the sum is 51.

The spelling of 43737916461 in words is "forty-three billion, seven hundred thirty-seven million, nine hundred sixteen thousand, four hundred sixty-one".