7467189649 has 2 divisors, whose sum is σ = 7467189650. Its totient is φ = 7467189648.

The previous prime is 7467189629. The next prime is 7467189673. The reversal of 7467189649 is 9469817647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6310713600 + 1156476049 = 79440^2 + 34007^2 .

It is an emirp because it is prime and its reverse (9469817647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7467189649 - 2¹⁵ = 7467156881 is a prime.

It is not a weakly prime, because it can be changed into another prime (7467189629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3733594824 + 3733594825.

It is an arithmetic number, because the mean of its divisors is an integer number (3733594825).

Almost surely, 2^7467189649 is an apocalyptic number.

It is an amenable number.

7467189649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7467189649 is an equidigital number, since it uses as much as digits as its factorization.

7467189649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 61.

The square root of 7467189649 is about 86412.9020980085. The cubic root of 7467189649 is about 1954.5752440070.

The spelling of 7467189649 in words is "seven billion, four hundred sixty-seven million, one hundred eighty-nine thousand, six hundred forty-nine".