1079938621 has 2 divisors, whose sum is σ = 1079938622. Its totient is φ = 1079938620.

The previous prime is 1079938609. The next prime is 1079938631. The reversal of 1079938621 is 1268399701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905408100 + 174530521 = 30090^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079938621 - 2¹⁷ = 1079807549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079938631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539969310 + 539969311.

It is an arithmetic number, because the mean of its divisors is an integer number (539969311).

Almost surely, 2^1079938621 is an apocalyptic number.

It is an amenable number.

1079938621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079938621 is an equidigital number, since it uses as much as digits as its factorization.

1079938621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 1079938621 is about 32862.4195852953. The cubic root of 1079938621 is about 1025.9661312279.

The spelling of 1079938621 in words is "one billion, seventy-nine million, nine hundred thirty-eight thousand, six hundred twenty-one".