5773505721 has 4 divisors (see below), whose sum is σ = 7698007632. Its totient is φ = 3849003812.

The previous prime is 5773505693. The next prime is 5773505741. The reversal of 5773505721 is 1275053775.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5773505721 is a prime.

It is a super-4 number, since 4×5773505721⁴ (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5773505741) 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, 962250951 + ... + 962250956.

It is an arithmetic number, because the mean of its divisors is an integer number (1924501908).

Almost surely, 2^5773505721 is an apocalyptic number.

It is an amenable number.

5773505721 is a deficient number, since it is larger than the sum of its proper divisors (1924501911).

5773505721 is a wasteful number, since it uses less digits than its factorization.

5773505721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924501910.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 5773505721 is about 75983.5884977802. The cubic root of 5773505721 is about 1793.9618374848.

The spelling of 5773505721 in words is "five billion, seven hundred seventy-three million, five hundred five thousand, seven hundred twenty-one".