29641131556 has 9 divisors (see below), whose sum is σ = 51872582811. Its totient is φ = 14820393612.

The previous prime is 29641131551. The next prime is 29641131557. The reversal of 29641131556 is 65513114692.

The square root of 29641131556 is 172166.

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

It is a super-2 number, since 2×29641131556² (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 (29641131551) 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, 301291 + ... + 387373.

Almost surely, 2^29641131556 is an apocalyptic number.

29641131556 is the 172166-th square number.

It is an amenable number.

29641131556 is a deficient number, since it is larger than the sum of its proper divisors (22231451255).

29641131556 is an frugal number, since it uses more digits than its factorization.

29641131556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172170 (or 86085 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The spelling of 29641131556 in words is "twenty-nine billion, six hundred forty-one million, one hundred thirty-one thousand, five hundred fifty-six".