29399268672 has 84 divisors (see below), whose sum is σ = 84833498100. Its totient is φ = 9733957632.

The previous prime is 29399268667. The next prime is 29399268683. The reversal of 29399268672 is 27686299392.

It can be written as a sum of positive squares in 2 ways, for example, as 4202150976 + 25197117696 = 64824^2 + 158736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85453 + ... + 257100.

Almost surely, 2^29399268672 is an apocalyptic number.

It is an amenable number.

29399268672 is an abundant number, since it is smaller than the sum of its proper divisors (55434229428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29399268672 is a wasteful number, since it uses less digits than its factorization.

29399268672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342720 (or 342707 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 29399268672 in words is "twenty-nine billion, three hundred ninety-nine million, two hundred sixty-eight thousand, six hundred seventy-two".