29206663457 has 2 divisors, whose sum is σ = 29206663458. Its totient is φ = 29206663456.

The previous prime is 29206663429. The next prime is 29206663487. The reversal of 29206663457 is 75436660292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23777331601 + 5429331856 = 154199^2 + 73684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29206663457 is a prime.

It is not a weakly prime, because it can be changed into another prime (29206663427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14603331728 + 14603331729.

It is an arithmetic number, because the mean of its divisors is an integer number (14603331729).

Almost surely, 2^29206663457 is an apocalyptic number.

It is an amenable number.

29206663457 is a deficient number, since it is larger than the sum of its proper divisors (1).

29206663457 is an equidigital number, since it uses as much as digits as its factorization.

29206663457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 29206663457 in words is "twenty-nine billion, two hundred six million, six hundred sixty-three thousand, four hundred fifty-seven".