43137859355 has 4 divisors (see below), whose sum is σ = 51765431232. Its totient is φ = 34510287480.

The previous prime is 43137859321. The next prime is 43137859357. The reversal of 43137859355 is 55395873134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43137859355 - 2¹⁸ = 43137597211 is a prime.

It is a super-2 number, since 2×43137859355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43137859297 and 43137859306.

It is not an unprimeable number, because it can be changed into a prime (43137859357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4313785931 + ... + 4313785940.

It is an arithmetic number, because the mean of its divisors is an integer number (12941357808).

Almost surely, 2^43137859355 is an apocalyptic number.

43137859355 is a deficient number, since it is larger than the sum of its proper divisors (8627571877).

43137859355 is an equidigital number, since it uses as much as digits as its factorization.

43137859355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627571876.

The product of its digits is 6804000, while the sum is 53.

The spelling of 43137859355 in words is "forty-three billion, one hundred thirty-seven million, eight hundred fifty-nine thousand, three hundred fifty-five".