29902379792017 has 2 divisors, whose sum is σ = 29902379792018. Its totient is φ = 29902379792016.

The previous prime is 29902379791909. The next prime is 29902379792059. The reversal of 29902379792017 is 71029797320992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24746555617281 + 5155824174736 = 4974591^2 + 2270644^2 .

It is a cyclic number.

It is not a de Polignac number, because 29902379792017 - 2³⁹ = 29352623978129 is a prime.

It is not a weakly prime, because it can be changed into another prime (29902349792017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14951189896008 + 14951189896009.

It is an arithmetic number, because the mean of its divisors is an integer number (14951189896009).

Almost surely, 2^{29902379792017} is an apocalyptic number.

It is an amenable number.

29902379792017 is a deficient number, since it is larger than the sum of its proper divisors (1).

29902379792017 is an equidigital number, since it uses as much as digits as its factorization.

29902379792017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54010152, while the sum is 67.

The spelling of 29902379792017 in words is "twenty-nine trillion, nine hundred two billion, three hundred seventy-nine million, seven hundred ninety-two thousand, seventeen".