1048718621 has 2 divisors, whose sum is σ = 1048718622. Its totient is φ = 1048718620.

The previous prime is 1048718617. The next prime is 1048718641. The reversal of 1048718621 is 1268178401.

It is a happy number.

1048718621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949317721 + 99400900 = 30811^2 + 9970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048718621 - 2² = 1048718617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048718611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524359310 + 524359311.

It is an arithmetic number, because the mean of its divisors is an integer number (524359311).

Almost surely, 2^1048718621 is an apocalyptic number.

It is an amenable number.

1048718621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048718621 is an equidigital number, since it uses as much as digits as its factorization.

1048718621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1048718621 is about 32383.9253488517. The cubic root of 1048718621 is about 1015.9827317032.

The spelling of 1048718621 in words is "one billion, forty-eight million, seven hundred eighteen thousand, six hundred twenty-one".