4600135388921 has 2 divisors, whose sum is σ = 4600135388922. Its totient is φ = 4600135388920.

The previous prime is 4600135388917. The next prime is 4600135388941. The reversal of 4600135388921 is 1298835310064.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4588828044025 + 11307344896 = 2142155^2 + 106336^2 .

It is a cyclic number.

It is not a de Polignac number, because 4600135388921 - 2² = 4600135388917 is a prime.

It is a super-2 number, since 2×4600135388921² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4600135388921.

It is not a weakly prime, because it can be changed into another prime (4600135388911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2300067694460 + 2300067694461.

It is an arithmetic number, because the mean of its divisors is an integer number (2300067694461).

Almost surely, 2^{4600135388921} is an apocalyptic number.

It is an amenable number.

4600135388921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4600135388921 is an equidigital number, since it uses as much as digits as its factorization.

4600135388921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 4600135388921 in words is "four trillion, six hundred billion, one hundred thirty-five million, three hundred eighty-eight thousand, nine hundred twenty-one".