4290647693 has 4 divisors (see below), whose sum is σ = 4291100220. Its totient is φ = 4290195168.

The previous prime is 4290647689. The next prime is 4290647717. The reversal of 4290647693 is 3967460924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1118367364 + 3172280329 = 33442^2 + 56323^2 .

It is a cyclic number.

It is not a de Polignac number, because 4290647693 - 2² = 4290647689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290647623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211730 + ... + 231107.

It is an arithmetic number, because the mean of its divisors is an integer number (1072775055).

Almost surely, 2^4290647693 is an apocalyptic number.

It is an amenable number.

4290647693 is a deficient number, since it is larger than the sum of its proper divisors (452527).

4290647693 is an equidigital number, since it uses as much as digits as its factorization.

4290647693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452526.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The square root of 4290647693 is about 65503.0357540778. The cubic root of 4290647693 is about 1624.9535536074.

The spelling of 4290647693 in words is "four billion, two hundred ninety million, six hundred forty-seven thousand, six hundred ninety-three".