29864893273 has 2 divisors, whose sum is σ = 29864893274. Its totient is φ = 29864893272.

The previous prime is 29864893213. The next prime is 29864893297. The reversal of 29864893273 is 37239846892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24748638489 + 5116254784 = 157317^2 + 71528^2 .

It is a cyclic number.

It is not a de Polignac number, because 29864893273 - 2¹³ = 29864885081 is a prime.

It is not a weakly prime, because it can be changed into another prime (29864893213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14932446636 + 14932446637.

It is an arithmetic number, because the mean of its divisors is an integer number (14932446637).

Almost surely, 2^29864893273 is an apocalyptic number.

It is an amenable number.

29864893273 is a deficient number, since it is larger than the sum of its proper divisors (1).

29864893273 is an equidigital number, since it uses as much as digits as its factorization.

29864893273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 29864893273 in words is "twenty-nine billion, eight hundred sixty-four million, eight hundred ninety-three thousand, two hundred seventy-three".