5405723694 has 24 divisors (see below), whose sum is σ = 13385601840. Its totient is φ = 1544492448.

The previous prime is 5405723693. The next prime is 5405723707. The reversal of 5405723694 is 4963275045.

5405723694 is a `hidden beast` number, since 5 + 40 + 572 + 36 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405723693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21451159 + ... + 21451410.

It is an arithmetic number, because the mean of its divisors is an integer number (557733410).

Almost surely, 2^5405723694 is an apocalyptic number.

5405723694 is an abundant number, since it is smaller than the sum of its proper divisors (7979878146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405723694 is a wasteful number, since it uses less digits than its factorization.

5405723694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42902584 (or 42902581 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 5405723694 is about 73523.6267739833. The cubic root of 5405723694 is about 1755.0302826732.

The spelling of 5405723694 in words is "five billion, four hundred five million, seven hundred twenty-three thousand, six hundred ninety-four".