46173171459781 has 2 divisors, whose sum is σ = 46173171459782. Its totient is φ = 46173171459780.

The previous prime is 46173171459683. The next prime is 46173171459787. The reversal of 46173171459781 is 18795417137164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42774660774756 + 3398510685025 = 6540234^2 + 1843505^2 .

It is a cyclic number.

It is not a de Polignac number, because 46173171459781 - 2¹⁵ = 46173171427013 is a prime.

It is a super-2 number, since 2×46173171459781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46173171459787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23086585729890 + 23086585729891.

It is an arithmetic number, because the mean of its divisors is an integer number (23086585729891).

Almost surely, 2^{46173171459781} is an apocalyptic number.

It is an amenable number.

46173171459781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46173171459781 is an equidigital number, since it uses as much as digits as its factorization.

46173171459781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 64.

The spelling of 46173171459781 in words is "forty-six trillion, one hundred seventy-three billion, one hundred seventy-one million, four hundred fifty-nine thousand, seven hundred eighty-one".