29026277641 has 3 divisors (see below), whose sum is σ = 29026448013. Its totient is φ = 29026107270.

The previous prime is 29026277627. The next prime is 29026277669. The reversal of 29026277641 is 14677262092.

It is a happy number.

The square root of 29026277641 is 170371.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29026277641 - 2⁹ = 29026277129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29026277591 and 29026277600.

It is not an unprimeable number, because it can be changed into a prime (29026277341) 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, 85186 + ... + 255556.

It is an arithmetic number, because the mean of its divisors is an integer number (9675482671).

Almost surely, 2^29026277641 is an apocalyptic number.

29026277641 is the 170371-st square number.

29026277641 is the 85186-th centered octagonal number.

It is an amenable number.

29026277641 is a deficient number, since it is larger than the sum of its proper divisors (170372).

29026277641 is an frugal number, since it uses more digits than its factorization.

29026277641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340742 (or 170371 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 29026277641 in words is "twenty-nine billion, twenty-six million, two hundred seventy-seven thousand, six hundred forty-one".