7640293229 has 2 divisors, whose sum is σ = 7640293230. Its totient is φ = 7640293228.

The previous prime is 7640293189. The next prime is 7640293231. The reversal of 7640293229 is 9223920467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5581584100 + 2058709129 = 74710^2 + 45373^2 .

It is a cyclic number.

It is not a de Polignac number, because 7640293229 - 2²⁰ = 7639244653 is a prime.

Together with 7640293231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7640293229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7640298229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820146614 + 3820146615.

It is an arithmetic number, because the mean of its divisors is an integer number (3820146615).

Almost surely, 2^7640293229 is an apocalyptic number.

It is an amenable number.

7640293229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7640293229 is an equidigital number, since it uses as much as digits as its factorization.

7640293229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 7640293229 is about 87408.7708928572. The cubic root of 7640293229 is about 1969.5635980953.

The spelling of 7640293229 in words is "seven billion, six hundred forty million, two hundred ninety-three thousand, two hundred twenty-nine".