29255707849 has 3 divisors (see below), whose sum is σ = 29255878893. Its totient is φ = 29255536806.

The previous prime is 29255707799. The next prime is 29255707853. The reversal of 29255707849 is 94870755292.

The square root of 29255707849 is 171043.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29255707849 - 2¹⁵ = 29255675081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29255707793 and 29255707802.

It is not an unprimeable number, because it can be changed into a prime (29255707889) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85522 + ... + 256564.

It is an arithmetic number, because the mean of its divisors is an integer number (9751959631).

Almost surely, 2^29255707849 is an apocalyptic number.

29255707849 is the 171043-rd square number.

29255707849 is the 85522-nd centered octagonal number.

It is an amenable number.

29255707849 is a deficient number, since it is larger than the sum of its proper divisors (171044).

29255707849 is an frugal number, since it uses more digits than its factorization.

29255707849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342086 (or 171043 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 29255707849 in words is "twenty-nine billion, two hundred fifty-five million, seven hundred seven thousand, eight hundred forty-nine".