46564607989 has 2 divisors, whose sum is σ = 46564607990. Its totient is φ = 46564607988.

The previous prime is 46564607987. The next prime is 46564608029. The reversal of 46564607989 is 98970646564.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34319415025 + 12245192964 = 185255^2 + 110658^2 .

It is a cyclic number.

It is not a de Polignac number, because 46564607989 - 2¹ = 46564607987 is a prime.

Together with 46564607987, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46564607989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46564607987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23282303994 + 23282303995.

It is an arithmetic number, because the mean of its divisors is an integer number (23282303995).

Almost surely, 2^46564607989 is an apocalyptic number.

It is an amenable number.

46564607989 is a deficient number, since it is larger than the sum of its proper divisors (1).

46564607989 is an equidigital number, since it uses as much as digits as its factorization.

46564607989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 46564607989 in words is "forty-six billion, five hundred sixty-four million, six hundred seven thousand, nine hundred eighty-nine".