5005135921 has 2 divisors, whose sum is σ = 5005135922. Its totient is φ = 5005135920.

The previous prime is 5005135867. The next prime is 5005136029. The reversal of 5005135921 is 1295315005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4053104896 + 952031025 = 63664^2 + 30855^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005135921 - 2¹¹ = 5005133873 is a prime.

It is not a weakly prime, because it can be changed into another prime (5005135321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502567960 + 2502567961.

It is an arithmetic number, because the mean of its divisors is an integer number (2502567961).

Almost surely, 2^5005135921 is an apocalyptic number.

It is an amenable number.

5005135921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005135921 is an equidigital number, since it uses as much as digits as its factorization.

5005135921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5005135921 is about 70746.9852431890. The cubic root of 5005135921 is about 1710.5612330817.

The spelling of 5005135921 in words is "five billion, five million, one hundred thirty-five thousand, nine hundred twenty-one".