46171727947 has 2 divisors, whose sum is σ = 46171727948. Its totient is φ = 46171727946.

The previous prime is 46171727933. The next prime is 46171727989. The reversal of 46171727947 is 74972717164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46171727947 is a prime.

It is a super-2 number, since 2×46171727947² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46171725947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23085863973 + 23085863974.

It is an arithmetic number, because the mean of its divisors is an integer number (23085863974).

Almost surely, 2^46171727947 is an apocalyptic number.

46171727947 is a deficient number, since it is larger than the sum of its proper divisors (1).

46171727947 is an equidigital number, since it uses as much as digits as its factorization.

46171727947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4148928, while the sum is 55.

The spelling of 46171727947 in words is "forty-six billion, one hundred seventy-one million, seven hundred twenty-seven thousand, nine hundred forty-seven".