43466344397 has 12 divisors (see below), whose sum is σ = 50680230336. Its totient is φ = 37170405720.

The previous prime is 43466344393. The next prime is 43466344399. The reversal of 43466344397 is 79344366434.

It is a happy number.

It is not a de Polignac number, because 43466344397 - 2² = 43466344393 is a prime.

It is a super-2 number, since 2×43466344397² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43466344393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007963 + ... + 1050200.

It is an arithmetic number, because the mean of its divisors is an integer number (4223352528).

Almost surely, 2^43466344397 is an apocalyptic number.

It is an amenable number.

43466344397 is a deficient number, since it is larger than the sum of its proper divisors (7213885939).

43466344397 is a wasteful number, since it uses less digits than its factorization.

43466344397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058608 (or 2058601 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 53.

The spelling of 43466344397 in words is "forty-three billion, four hundred sixty-six million, three hundred forty-four thousand, three hundred ninety-seven".