9061042621 has 2 divisors, whose sum is σ = 9061042622. Its totient is φ = 9061042620.

The previous prime is 9061042609. The next prime is 9061042631. The reversal of 9061042621 is 1262401609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7696552900 + 1364489721 = 87730^2 + 36939^2 .

It is a cyclic number.

It is not a de Polignac number, because 9061042621 - 2⁷ = 9061042493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9061042631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4530521310 + 4530521311.

It is an arithmetic number, because the mean of its divisors is an integer number (4530521311).

Almost surely, 2^9061042621 is an apocalyptic number.

It is an amenable number.

9061042621 is a deficient number, since it is larger than the sum of its proper divisors (1).

9061042621 is an equidigital number, since it uses as much as digits as its factorization.

9061042621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9061042621 is about 95189.5089860222. The cubic root of 9061042621 is about 2084.7759629846.

The spelling of 9061042621 in words is "nine billion, sixty-one million, forty-two thousand, six hundred twenty-one".