29748203549 has 2 divisors, whose sum is σ = 29748203550. Its totient is φ = 29748203548.

The previous prime is 29748203467. The next prime is 29748203557. The reversal of 29748203549 is 94530284792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20292002500 + 9456201049 = 142450^2 + 97243^2 .

It is a cyclic number.

It is not a de Polignac number, because 29748203549 - 2²⁰ = 29747154973 is a prime.

It is a super-2 number, since 2×29748203549² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29748203549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29748203579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14874101774 + 14874101775.

It is an arithmetic number, because the mean of its divisors is an integer number (14874101775).

Almost surely, 2^29748203549 is an apocalyptic number.

It is an amenable number.

29748203549 is a deficient number, since it is larger than the sum of its proper divisors (1).

29748203549 is an equidigital number, since it uses as much as digits as its factorization.

29748203549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 29748203549 in words is "twenty-nine billion, seven hundred forty-eight million, two hundred three thousand, five hundred forty-nine".