29270084621 has 2 divisors, whose sum is σ = 29270084622. Its totient is φ = 29270084620.

The previous prime is 29270084617. The next prime is 29270084639. The reversal of 29270084621 is 12648007292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29270077225 + 7396 = 171085^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 29270084621 - 2² = 29270084617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29270044621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14635042310 + 14635042311.

It is an arithmetic number, because the mean of its divisors is an integer number (14635042311).

Almost surely, 2^29270084621 is an apocalyptic number.

It is an amenable number.

29270084621 is a deficient number, since it is larger than the sum of its proper divisors (1).

29270084621 is an equidigital number, since it uses as much as digits as its factorization.

29270084621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 29270084621 in words is "twenty-nine billion, two hundred seventy million, eighty-four thousand, six hundred twenty-one".