4699959507721 has 3 divisors (see below), whose sum is σ = 4699961675661. Its totient is φ = 4699957339782.

The previous prime is 4699959507671. The next prime is 4699959507767. The reversal of 4699959507721 is 1277059599964.

The square root of 4699959507721 is 2167939.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4699959507721 - 2²¹ = 4699957410569 is a prime.

It is a super-2 number, since 2×4699959507721² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4699959507821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1083970 + ... + 3251908.

It is an arithmetic number, because the mean of its divisors is an integer number (1566653891887).

Almost surely, 2^{4699959507721} is an apocalyptic number.

4699959507721 is the 2167939-th square number.

4699959507721 is the 1083970-th centered octagonal number.

It is an amenable number.

4699959507721 is a deficient number, since it is larger than the sum of its proper divisors (2167940).

4699959507721 is an frugal number, since it uses more digits than its factorization.

4699959507721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335878 (or 2167939 counting only the distinct ones).

The product of its (nonzero) digits is 385786800, while the sum is 73.

The spelling of 4699959507721 in words is "four trillion, six hundred ninety-nine billion, nine hundred fifty-nine million, five hundred seven thousand, seven hundred twenty-one".