2661110429 has 4 divisors (see below), whose sum is σ = 2661314976. Its totient is φ = 2660905884.

The previous prime is 2661110423. The next prime is 2661110447. The reversal of 2661110429 is 9240111662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2661110429 - 2⁸ = 2661110173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2661110395 and 2661110404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661110423) 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, 81329 + ... + 109254.

It is an arithmetic number, because the mean of its divisors is an integer number (665328744).

Almost surely, 2^2661110429 is an apocalyptic number.

It is an amenable number.

2661110429 is a deficient number, since it is larger than the sum of its proper divisors (204547).

2661110429 is a wasteful number, since it uses less digits than its factorization.

2661110429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204546.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2661110429 is about 51585.9518570705. The cubic root of 2661110429 is about 1385.7587590031.

The spelling of 2661110429 in words is "two billion, six hundred sixty-one million, one hundred ten thousand, four hundred twenty-nine".