46827940639 has 4 divisors (see below), whose sum is σ = 46987763256. Its totient is φ = 46668118024.

The previous prime is 46827940633. The next prime is 46827940651. The reversal of 46827940639 is 93604972864.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46827940639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46827940633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79910869 + ... + 79911454.

It is an arithmetic number, because the mean of its divisors is an integer number (11746940814).

Almost surely, 2^46827940639 is an apocalyptic number.

46827940639 is a deficient number, since it is larger than the sum of its proper divisors (159822617).

46827940639 is a wasteful number, since it uses less digits than its factorization.

46827940639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159822616.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 46827940639 in words is "forty-six billion, eight hundred twenty-seven million, nine hundred forty thousand, six hundred thirty-nine".