4359531197949 has 4 divisors (see below), whose sum is σ = 5812708263936. Its totient is φ = 2906354131964.

The previous prime is 4359531197947. The next prime is 4359531197969. The reversal of 4359531197949 is 9497911359534.

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 4359531197949 - 2¹ = 4359531197947 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4359531197947) 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, 726588532989 + ... + 726588532994.

It is an arithmetic number, because the mean of its divisors is an integer number (1453177065984).

Almost surely, 2^{4359531197949} is an apocalyptic number.

It is an amenable number.

4359531197949 is a deficient number, since it is larger than the sum of its proper divisors (1453177065987).

4359531197949 is a wasteful number, since it uses less digits than its factorization.

4359531197949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453177065986.

The product of its digits is 165337200, while the sum is 69.

The spelling of 4359531197949 in words is "four trillion, three hundred fifty-nine billion, five hundred thirty-one million, one hundred ninety-seven thousand, nine hundred forty-nine".