4657122139 has 2 divisors, whose sum is σ = 4657122140. Its totient is φ = 4657122138.

The previous prime is 4657122121. The next prime is 4657122143. The reversal of 4657122139 is 9312217564.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4657122139 - 2⁷ = 4657122011 is a prime.

It is not a weakly prime, because it can be changed into another prime (4657122149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2328561069 + 2328561070.

It is an arithmetic number, because the mean of its divisors is an integer number (2328561070).

Almost surely, 2^4657122139 is an apocalyptic number.

4657122139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4657122139 is an equidigital number, since it uses as much as digits as its factorization.

4657122139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 4657122139 is about 68243.1105607006. The cubic root of 4657122139 is about 1669.9592588098.

The spelling of 4657122139 in words is "four billion, six hundred fifty-seven million, one hundred twenty-two thousand, one hundred thirty-nine".