29296549507921 has 2 divisors, whose sum is σ = 29296549507922. Its totient is φ = 29296549507920.

The previous prime is 29296549507903. The next prime is 29296549508053. The reversal of 29296549507921 is 12970594569292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28715783581521 + 580765926400 = 5358711^2 + 762080^2 .

It is a cyclic number.

It is not a de Polignac number, because 29296549507921 - 2⁷ = 29296549507793 is a prime.

It is not a weakly prime, because it can be changed into another prime (29296549502921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14648274753960 + 14648274753961.

It is an arithmetic number, because the mean of its divisors is an integer number (14648274753961).

Almost surely, 2^{29296549507921} is an apocalyptic number.

It is an amenable number.

29296549507921 is a deficient number, since it is larger than the sum of its proper divisors (1).

29296549507921 is an equidigital number, since it uses as much as digits as its factorization.

29296549507921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220449600, while the sum is 70.

The spelling of 29296549507921 in words is "twenty-nine trillion, two hundred ninety-six billion, five hundred forty-nine million, five hundred seven thousand, nine hundred twenty-one".