29748684853 has 2 divisors, whose sum is σ = 29748684854. Its totient is φ = 29748684852.

The previous prime is 29748684809. The next prime is 29748684859. The reversal of 29748684853 is 35848684792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29543421924 + 205262929 = 171882^2 + 14327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29748684853 is a prime.

It is a super-2 number, since 2×29748684853² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29748684859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14874342426 + 14874342427.

It is an arithmetic number, because the mean of its divisors is an integer number (14874342427).

Almost surely, 2^29748684853 is an apocalyptic number.

It is an amenable number.

29748684853 is a deficient number, since it is larger than the sum of its proper divisors (1).

29748684853 is an equidigital number, since it uses as much as digits as its factorization.

29748684853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92897280, while the sum is 64.

The spelling of 29748684853 in words is "twenty-nine billion, seven hundred forty-eight million, six hundred eighty-four thousand, eight hundred fifty-three".