29441790649 has 2 divisors, whose sum is σ = 29441790650. Its totient is φ = 29441790648.

The previous prime is 29441790617. The next prime is 29441790709. The reversal of 29441790649 is 94609714492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18412590249 + 11029200400 = 135693^2 + 105020^2 .

It is a cyclic number.

It is not a de Polignac number, because 29441790649 - 2⁵ = 29441790617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29441790649.

It is not a weakly prime, because it can be changed into another prime (29441790349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14720895324 + 14720895325.

It is an arithmetic number, because the mean of its divisors is an integer number (14720895325).

Almost surely, 2^29441790649 is an apocalyptic number.

It is an amenable number.

29441790649 is a deficient number, since it is larger than the sum of its proper divisors (1).

29441790649 is an equidigital number, since it uses as much as digits as its factorization.

29441790649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 29441790649 in words is "twenty-nine billion, four hundred forty-one million, seven hundred ninety thousand, six hundred forty-nine".