29616428869 has 8 divisors (see below), whose sum is σ = 29917981080. Its totient is φ = 29315040000.

The previous prime is 29616428861. The next prime is 29616428879. The reversal of 29616428869 is 96882461692.

It can be written as a sum of positive squares in 4 ways, for example, as 17803564900 + 11812863969 = 133430^2 + 108687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29616428869 - 2³ = 29616428861 is a prime.

It is a super-2 number, since 2×29616428869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29616428861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341769 + ... + 419569.

It is an arithmetic number, because the mean of its divisors is an integer number (3739747635).

Almost surely, 2^29616428869 is an apocalyptic number.

It is an amenable number.

29616428869 is a deficient number, since it is larger than the sum of its proper divisors (301552211).

29616428869 is a wasteful number, since it uses less digits than its factorization.

29616428869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81671.

The product of its digits is 17915904, while the sum is 61.

The spelling of 29616428869 in words is "twenty-nine billion, six hundred sixteen million, four hundred twenty-eight thousand, eight hundred sixty-nine".