4557121647233 has 4 divisors (see below), whose sum is σ = 4825187626500. Its totient is φ = 4289055667968.

The previous prime is 4557121647191. The next prime is 4557121647241. The reversal of 4557121647233 is 3327461217554.

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 2114252678209 + 2442868969024 = 1454047^2 + 1562968^2 .

It is a cyclic number.

It is not a de Polignac number, because 4557121647233 - 2⁸ = 4557121646977 is a prime.

It is a super-2 number, since 2×4557121647233² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4557121647733) 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, 134032989608 + ... + 134032989641.

It is an arithmetic number, because the mean of its divisors is an integer number (1206296906625).

Almost surely, 2^{4557121647233} is an apocalyptic number.

It is an amenable number.

4557121647233 is a deficient number, since it is larger than the sum of its proper divisors (268065979267).

4557121647233 is a wasteful number, since it uses less digits than its factorization.

4557121647233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268065979266.

The product of its digits is 4233600, while the sum is 50.

The spelling of 4557121647233 in words is "four trillion, five hundred fifty-seven billion, one hundred twenty-one million, six hundred forty-seven thousand, two hundred thirty-three".