8460473639 has 2 divisors, whose sum is σ = 8460473640. Its totient is φ = 8460473638.

The previous prime is 8460473597. The next prime is 8460473641. The reversal of 8460473639 is 9363740648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8460473639 - 2⁸ = 8460473383 is a prime.

It is a super-2 number, since 2×8460473639² (a number of 21 digits) contains 22 as substring.

Together with 8460473641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8460473839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230236819 + 4230236820.

It is an arithmetic number, because the mean of its divisors is an integer number (4230236820).

Almost surely, 2^8460473639 is an apocalyptic number.

8460473639 is a deficient number, since it is larger than the sum of its proper divisors (1).

8460473639 is an equidigital number, since it uses as much as digits as its factorization.

8460473639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The square root of 8460473639 is about 91980.8329979676. The cubic root of 8460473639 is about 2037.6592431976.

The spelling of 8460473639 in words is "eight billion, four hundred sixty million, four hundred seventy-three thousand, six hundred thirty-nine".