5451683779 has 8 divisors (see below), whose sum is σ = 5488044912. Its totient is φ = 5415378720.

The previous prime is 5451683759. The next prime is 5451683789. The reversal of 5451683779 is 9773861545.

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 5451683779 - 2¹³ = 5451675587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5451683759) 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, 190972 + ... + 217654.

It is an arithmetic number, because the mean of its divisors is an integer number (686005614).

Almost surely, 2^5451683779 is an apocalyptic number.

5451683779 is a deficient number, since it is larger than the sum of its proper divisors (36361133).

5451683779 is a wasteful number, since it uses less digits than its factorization.

5451683779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28037.

The product of its digits is 6350400, while the sum is 55.

The square root of 5451683779 is about 73835.5184108570. The cubic root of 5451683779 is about 1759.9900760244.

The spelling of 5451683779 in words is "five billion, four hundred fifty-one million, six hundred eighty-three thousand, seven hundred seventy-nine".