43245779551 has 8 divisors (see below), whose sum is σ = 47708290224. Its totient is φ = 38945542080.

The previous prime is 43245779531. The next prime is 43245779593. The reversal of 43245779551 is 15597754234.

43245779551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43245779551 - 2¹⁵ = 43245746783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245779531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40567741 + ... + 40568806.

It is an arithmetic number, because the mean of its divisors is an integer number (5963536278).

Almost surely, 2^43245779551 is an apocalyptic number.

43245779551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

43245779551 is a deficient number, since it is larger than the sum of its proper divisors (4462510673).

43245779551 is a wasteful number, since it uses less digits than its factorization.

43245779551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81136601.

The product of its digits is 5292000, while the sum is 52.

It can be divided in two parts, 4324 and 5779551, that added together give a palindrome (5783875).

The spelling of 43245779551 in words is "forty-three billion, two hundred forty-five million, seven hundred seventy-nine thousand, five hundred fifty-one".