29133117192961 has 4 divisors (see below), whose sum is σ = 29145561927124. Its totient is φ = 29120672458800.

The previous prime is 29133117192947. The next prime is 29133117192989. The reversal of 29133117192961 is 16929171133192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25540742826225 + 3592374366736 = 5053785^2 + 1895356^2 .

It is a cyclic number.

It is not a de Polignac number, because 29133117192961 - 2⁹ = 29133117192449 is a prime.

It is a super-2 number, since 2×29133117192961² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29133117192161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6222363570 + ... + 6222368251.

It is an arithmetic number, because the mean of its divisors is an integer number (7286390481781).

Almost surely, 2^{29133117192961} is an apocalyptic number.

It is an amenable number.

29133117192961 is a deficient number, since it is larger than the sum of its proper divisors (12444734163).

29133117192961 is a wasteful number, since it uses less digits than its factorization.

29133117192961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12444734162.

The product of its digits is 1102248, while the sum is 55.

The spelling of 29133117192961 in words is "twenty-nine trillion, one hundred thirty-three billion, one hundred seventeen million, one hundred ninety-two thousand, nine hundred sixty-one".