43195513497 has 4 divisors (see below), whose sum is σ = 57594018000. Its totient is φ = 28797008996.

The previous prime is 43195513489. The next prime is 43195513523. The reversal of 43195513497 is 79431559134.

It is a happy number.

43195513497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43195513497 - 2³ = 43195513489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43195513447) 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, 7199252247 + ... + 7199252252.

It is an arithmetic number, because the mean of its divisors is an integer number (14398504500).

Almost surely, 2^43195513497 is an apocalyptic number.

It is an amenable number.

43195513497 is a deficient number, since it is larger than the sum of its proper divisors (14398504503).

43195513497 is a wasteful number, since it uses less digits than its factorization.

43195513497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14398504502.

The product of its digits is 2041200, while the sum is 51.

The spelling of 43195513497 in words is "forty-three billion, one hundred ninety-five million, five hundred thirteen thousand, four hundred ninety-seven".