5724721654 has 4 divisors (see below), whose sum is σ = 8587082484. Its totient is φ = 2862360826.

The previous prime is 5724721633. The next prime is 5724721663. The reversal of 5724721654 is 4561274275.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5724721654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431180412 + ... + 1431180415.

It is an arithmetic number, because the mean of its divisors is an integer number (2146770621).

Almost surely, 2^5724721654 is an apocalyptic number.

5724721654 is a deficient number, since it is larger than the sum of its proper divisors (2862360830).

5724721654 is a wasteful number, since it uses less digits than its factorization.

5724721654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862360829.

The product of its digits is 470400, while the sum is 43.

The square root of 5724721654 is about 75661.8903676084. The cubic root of 5724721654 is about 1788.8947593802.

The spelling of 5724721654 in words is "five billion, seven hundred twenty-four million, seven hundred twenty-one thousand, six hundred fifty-four".