5431779445 has 8 divisors (see below), whose sum is σ = 6615421344. Its totient is φ = 4280566224.

The previous prime is 5431779443. The next prime is 5431779449. The reversal of 5431779445 is 5449771345.

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 5431779445 - 2¹ = 5431779443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431779443) 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, 8106799 + ... + 8107468.

It is an arithmetic number, because the mean of its divisors is an integer number (826927668).

Almost surely, 2^5431779445 is an apocalyptic number.

It is an amenable number.

5431779445 is a deficient number, since it is larger than the sum of its proper divisors (1183641899).

5431779445 is a wasteful number, since it uses less digits than its factorization.

5431779445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214339.

The product of its digits is 2116800, while the sum is 49.

The square root of 5431779445 is about 73700.6068156837. The cubic root of 5431779445 is about 1757.8455305851.

The spelling of 5431779445 in words is "five billion, four hundred thirty-one million, seven hundred seventy-nine thousand, four hundred forty-five".