4993376121 has 6 divisors (see below), whose sum is σ = 7212654410. Its totient is φ = 3328917408.

The previous prime is 4993376077. The next prime is 4993376131. The reversal of 4993376121 is 1216733994.

4993376121 is a `hidden beast` number, since 499 + 3 + 37 + 6 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3841520400 + 1151855721 = 61980^2 + 33939^2 .

It is not a de Polignac number, because 4993376121 - 2¹⁴ = 4993359737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4993376131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277409776 + ... + 277409793.

Almost surely, 2^4993376121 is an apocalyptic number.

It is an amenable number.

4993376121 is a deficient number, since it is larger than the sum of its proper divisors (2219278289).

4993376121 is a wasteful number, since it uses less digits than its factorization.

4993376121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554819575 (or 554819572 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 4993376121 is about 70663.8246983561. The cubic root of 4993376121 is about 1709.2205013956.

The spelling of 4993376121 in words is "four billion, nine hundred ninety-three million, three hundred seventy-six thousand, one hundred twenty-one".