4754577242021 has 4 divisors (see below), whose sum is σ = 4754593603500. Its totient is φ = 4754560880544.

The previous prime is 4754577242017. The next prime is 4754577242053. The reversal of 4754577242021 is 1202427754574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1888714233025 + 2865863008996 = 1374305^2 + 1692886^2 .

It is a cyclic number.

It is not a de Polignac number, because 4754577242021 - 2² = 4754577242017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4754577242521) 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, 7736816 + ... + 8328713.

It is an arithmetic number, because the mean of its divisors is an integer number (1188648400875).

Almost surely, 2^{4754577242021} is an apocalyptic number.

It is an amenable number.

4754577242021 is a deficient number, since it is larger than the sum of its proper divisors (16361479).

4754577242021 is a wasteful number, since it uses less digits than its factorization.

4754577242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361478.

The product of its (nonzero) digits is 4390400, while the sum is 50.

The spelling of 4754577242021 in words is "four trillion, seven hundred fifty-four billion, five hundred seventy-seven million, two hundred forty-two thousand, twenty-one".