47642096639 has 2 divisors, whose sum is σ = 47642096640. Its totient is φ = 47642096638.

The previous prime is 47642096629. The next prime is 47642096681. The reversal of 47642096639 is 93669024674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47642096639 - 2¹² = 47642092543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47642096629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23821048319 + 23821048320.

It is an arithmetic number, because the mean of its divisors is an integer number (23821048320).

Almost surely, 2^47642096639 is an apocalyptic number.

47642096639 is a deficient number, since it is larger than the sum of its proper divisors (1).

47642096639 is an equidigital number, since it uses as much as digits as its factorization.

47642096639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 47642096639 in words is "forty-seven billion, six hundred forty-two million, ninety-six thousand, six hundred thirty-nine".