29121009097 has 2 divisors, whose sum is σ = 29121009098. Its totient is φ = 29121009096.

The previous prime is 29121009077. The next prime is 29121009101. The reversal of 29121009097 is 79090012192.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27157721616 + 1963287481 = 164796^2 + 44309^2 .

It is a cyclic number.

It is not a de Polignac number, because 29121009097 - 2¹⁵ = 29120976329 is a prime.

It is not a weakly prime, because it can be changed into another prime (29121009077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560504548 + 14560504549.

It is an arithmetic number, because the mean of its divisors is an integer number (14560504549).

Almost surely, 2^29121009097 is an apocalyptic number.

It is an amenable number.

29121009097 is a deficient number, since it is larger than the sum of its proper divisors (1).

29121009097 is an equidigital number, since it uses as much as digits as its factorization.

29121009097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 29121009097 in words is "twenty-nine billion, one hundred twenty-one million, nine thousand, ninety-seven".