29899693 has 2 divisors, whose sum is σ = 29899694. Its totient is φ = 29899692.

The previous prime is 29899679. The next prime is 29899703. The reversal of 29899693 is 39699892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29560969 + 338724 = 5437^2 + 582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29899693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29899603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14949846 + 14949847.

It is an arithmetic number, because the mean of its divisors is an integer number (14949847).

Almost surely, 2^29899693 is an apocalyptic number.

It is an amenable number.

29899693 is a deficient number, since it is larger than the sum of its proper divisors (1).

29899693 is an equidigital number, since it uses as much as digits as its factorization.

29899693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 55.

The square root of 29899693 is about 5468.0611737617. The cubic root of 29899693 is about 310.3765559412.

The spelling of 29899693 in words is "twenty-nine million, eight hundred ninety-nine thousand, six hundred ninety-three".