29292690981 has 16 divisors (see below), whose sum is σ = 39902417408. Its totient is φ = 19109574000.

The previous prime is 29292690967. The next prime is 29292691009. The reversal of 29292690981 is 18909629292.

It is not a de Polignac number, because 29292690981 - 2⁷ = 29292690853 is a prime.

It is a super-2 number, since 2×29292690981² (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 (29292690901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452215 + ... + 512916.

It is an arithmetic number, because the mean of its divisors is an integer number (2493901088).

Almost surely, 2^29292690981 is an apocalyptic number.

It is an amenable number.

29292690981 is a deficient number, since it is larger than the sum of its proper divisors (10609726427).

29292690981 is a wasteful number, since it uses less digits than its factorization.

29292690981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965352.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The spelling of 29292690981 in words is "twenty-nine billion, two hundred ninety-two million, six hundred ninety thousand, nine hundred eighty-one".