29048709646 has 16 divisors (see below), whose sum is σ = 47581965360. Its totient is φ = 13190705280.

The previous prime is 29048709643. The next prime is 29048709707. The reversal of 29048709646 is 64690784092.

It is a happy number.

It is a super-2 number, since 2×29048709646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29048709643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640251 + ... + 684118.

It is an arithmetic number, because the mean of its divisors is an integer number (2973872835).

Almost surely, 2^29048709646 is an apocalyptic number.

29048709646 is a deficient number, since it is larger than the sum of its proper divisors (18533255714).

29048709646 is a wasteful number, since it uses less digits than its factorization.

29048709646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325379.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 29048709646 in words is "twenty-nine billion, forty-eight million, seven hundred nine thousand, six hundred forty-six".