43387337485 has 16 divisors (see below), whose sum is σ = 52371551232. Its totient is φ = 34505611200.

The previous prime is 43387337453. The next prime is 43387337489. The reversal of 43387337485 is 58473378334.

It is a happy number.

It is not a de Polignac number, because 43387337485 - 2⁵ = 43387337453 is a prime.

It is a super-2 number, since 2×43387337485² (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 (43387337489) 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, 1534042 + ... + 1562068.

It is an arithmetic number, because the mean of its divisors is an integer number (3273221952).

Almost surely, 2^43387337485 is an apocalyptic number.

It is an amenable number.

43387337485 is a deficient number, since it is larger than the sum of its proper divisors (8984213747).

43387337485 is a wasteful number, since it uses less digits than its factorization.

43387337485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844.

The product of its digits is 20321280, while the sum is 55.

The spelling of 43387337485 in words is "forty-three billion, three hundred eighty-seven million, three hundred thirty-seven thousand, four hundred eighty-five".