5406939719 has 4 divisors (see below), whose sum is σ = 5448214200. Its totient is φ = 5365665240.

The previous prime is 5406939689. The next prime is 5406939721. The reversal of 5406939719 is 9179396045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5406939719 - 2²⁰ = 5405891143 is a prime.

It is a super-2 number, since 2×5406939719² = 58469994249799597922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406939749) 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, 20637044 + ... + 20637305.

It is an arithmetic number, because the mean of its divisors is an integer number (1362053550).

Almost surely, 2^5406939719 is an apocalyptic number.

5406939719 is a deficient number, since it is larger than the sum of its proper divisors (41274481).

5406939719 is a wasteful number, since it uses less digits than its factorization.

5406939719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41274480.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 5406939719 is about 73531.8959295896. The cubic root of 5406939719 is about 1755.1618716342.

The spelling of 5406939719 in words is "five billion, four hundred six million, nine hundred thirty-nine thousand, seven hundred nineteen".