10001478239 has 2 divisors, whose sum is σ = 10001478240. Its totient is φ = 10001478238.

The previous prime is 10001478173. The next prime is 10001478247. The reversal of 10001478239 is 93287410001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001478239 is a prime.

It is a super-2 number, since 2×10001478239² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001478199 and 10001478208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001478139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000739119 + 5000739120.

It is an arithmetic number, because the mean of its divisors is an integer number (5000739120).

Almost surely, 2^10001478239 is an apocalyptic number.

10001478239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001478239 is an equidigital number, since it uses as much as digits as its factorization.

10001478239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 10001478239 in words is "ten billion, one million, four hundred seventy-eight thousand, two hundred thirty-nine".