4690046639 has 2 divisors, whose sum is σ = 4690046640. Its totient is φ = 4690046638.

The previous prime is 4690046573. The next prime is 4690046693. The reversal of 4690046639 is 9366400964.

Together with next prime (4690046693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4690046639 - 2¹² = 4690042543 is a prime.

It is a super-4 number, since 4×4690046639⁴ (a number of 40 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4690046593 and 4690046602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4690048639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345023319 + 2345023320.

It is an arithmetic number, because the mean of its divisors is an integer number (2345023320).

Almost surely, 2^4690046639 is an apocalyptic number.

4690046639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4690046639 is an equidigital number, since it uses as much as digits as its factorization.

4690046639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 4690046639 is about 68483.9151845161. The cubic root of 4690046639 is about 1673.8853966137.

It can be divided in two parts, 46900 and 46639, that added together give a palindrome (93539).

The spelling of 4690046639 in words is "four billion, six hundred ninety million, forty-six thousand, six hundred thirty-nine".