9039491051 has 2 divisors, whose sum is σ = 9039491052. Its totient is φ = 9039491050.

The previous prime is 9039490991. The next prime is 9039491077. The reversal of 9039491051 is 1501949309.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9039491051 - 2¹⁸ = 9039228907 is a prime.

It is a super-2 number, since 2×9039491051² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9039421051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4519745525 + 4519745526.

It is an arithmetic number, because the mean of its divisors is an integer number (4519745526).

Almost surely, 2^9039491051 is an apocalyptic number.

9039491051 is a deficient number, since it is larger than the sum of its proper divisors (1).

9039491051 is an equidigital number, since it uses as much as digits as its factorization.

9039491051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 9039491051 is about 95076.2380986964. The cubic root of 9039491051 is about 2083.1217801241.

The spelling of 9039491051 in words is "nine billion, thirty-nine million, four hundred ninety-one thousand, fifty-one".