46661669 has 2 divisors, whose sum is σ = 46661670. Its totient is φ = 46661668.

The previous prime is 46661639. The next prime is 46661689. The reversal of 46661669 is 96616664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 12769 = 6830^2 + 113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46661669 is a prime.

It is a super-2 number, since 2×46661669² = 4354622707731122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46661639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23330834 + 23330835.

It is an arithmetic number, because the mean of its divisors is an integer number (23330835).

Almost surely, 2^46661669 is an apocalyptic number.

It is an amenable number.

46661669 is a deficient number, since it is larger than the sum of its proper divisors (1).

46661669 is an equidigital number, since it uses as much as digits as its factorization.

46661669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 46661669 is about 6830.9347091009. The cubic root of 46661669 is about 360.0145801708.

The spelling of 46661669 in words is "forty-six million, six hundred sixty-one thousand, six hundred sixty-nine".