29620834969 has 12 divisors (see below), whose sum is σ = 34473643092. Its totient is φ = 25344028160.

The previous prime is 29620834963. The next prime is 29620835011. The reversal of 29620834969 is 96943802692.

It can be written as a sum of positive squares in 2 ways, for example, as 24038952025 + 5581882944 = 155045^2 + 74712^2 .

It is not a de Polignac number, because 29620834969 - 2¹¹ = 29620832921 is a prime.

It is a super-2 number, since 2×29620834969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29620834963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7197952 + ... + 7202065.

It is an arithmetic number, because the mean of its divisors is an integer number (2872803591).

Almost surely, 2^29620834969 is an apocalyptic number.

It is an amenable number.

29620834969 is a deficient number, since it is larger than the sum of its proper divisors (4852808123).

29620834969 is a wasteful number, since it uses less digits than its factorization.

29620834969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400056 (or 14400045 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 29620834969 in words is "twenty-nine billion, six hundred twenty million, eight hundred thirty-four thousand, nine hundred sixty-nine".