46561867309 has 2 divisors, whose sum is σ = 46561867310. Its totient is φ = 46561867308.

The previous prime is 46561867283. The next prime is 46561867333. The reversal of 46561867309 is 90376816564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24311670084 + 22250197225 = 155922^2 + 149165^2 .

It is a cyclic number.

It is not a de Polignac number, because 46561867309 - 2³¹ = 44414383661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46561867309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46561867349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23280933654 + 23280933655.

It is an arithmetic number, because the mean of its divisors is an integer number (23280933655).

Almost surely, 2^46561867309 is an apocalyptic number.

It is an amenable number.

46561867309 is a deficient number, since it is larger than the sum of its proper divisors (1).

46561867309 is an equidigital number, since it uses as much as digits as its factorization.

46561867309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 46561867309 in words is "forty-six billion, five hundred sixty-one million, eight hundred sixty-seven thousand, three hundred nine".