468615839 has 2 divisors, whose sum is σ = 468615840. Its totient is φ = 468615838.

The previous prime is 468615817. The next prime is 468615853. The reversal of 468615839 is 938516864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 468615839 - 2²⁴ = 451838623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468695839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234307919 + 234307920.

It is an arithmetic number, because the mean of its divisors is an integer number (234307920).

Almost surely, 2^468615839 is an apocalyptic number.

468615839 is a deficient number, since it is larger than the sum of its proper divisors (1).

468615839 is an equidigital number, since it uses as much as digits as its factorization.

468615839 is an evil number, because the sum of its binary digits is even.

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

The square root of 468615839 is about 21647.5365573083. The cubic root of 468615839 is about 776.7340092978.

The spelling of 468615839 in words is "four hundred sixty-eight million, six hundred fifteen thousand, eight hundred thirty-nine".