4217620139 has 2 divisors, whose sum is σ = 4217620140. Its totient is φ = 4217620138.

The previous prime is 4217620087. The next prime is 4217620229. The reversal of 4217620139 is 9310267124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4217620139 - 2¹⁶ = 4217554603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4217620099 and 4217620108.

It is not a weakly prime, because it can be changed into another prime (4217620439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108810069 + 2108810070.

It is an arithmetic number, because the mean of its divisors is an integer number (2108810070).

Almost surely, 2^4217620139 is an apocalyptic number.

4217620139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217620139 is an equidigital number, since it uses as much as digits as its factorization.

4217620139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 4217620139 is about 64943.2070273712. The cubic root of 4217620139 is about 1615.6817550602.

The spelling of 4217620139 in words is "four billion, two hundred seventeen million, six hundred twenty thousand, one hundred thirty-nine".