43096903981 has 4 divisors (see below), whose sum is σ = 43616143872. Its totient is φ = 42577664092.

The previous prime is 43096903939. The next prime is 43096903987. The reversal of 43096903981 is 18930969034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43096903981 - 2¹⁹ = 43096379693 is a prime.

It is a super-2 number, since 2×43096903981² (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 (43096903987) 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, 259619821 + ... + 259619986.

It is an arithmetic number, because the mean of its divisors is an integer number (10904035968).

Almost surely, 2^43096903981 is an apocalyptic number.

It is an amenable number.

43096903981 is a deficient number, since it is larger than the sum of its proper divisors (519239891).

43096903981 is an equidigital number, since it uses as much as digits as its factorization.

43096903981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519239890.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 43096903981 in words is "forty-three billion, ninety-six million, nine hundred three thousand, nine hundred eighty-one".