9146573939 has 2 divisors, whose sum is σ = 9146573940. Its totient is φ = 9146573938.

The previous prime is 9146573923. The next prime is 9146573957. The reversal of 9146573939 is 9393756419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9146573939 - 2⁴ = 9146573923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9146573999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4573286969 + 4573286970.

It is an arithmetic number, because the mean of its divisors is an integer number (4573286970).

Almost surely, 2^9146573939 is an apocalyptic number.

9146573939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9146573939 is an equidigital number, since it uses as much as digits as its factorization.

9146573939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 56.

The square root of 9146573939 is about 95637.7223641383. The cubic root of 9146573939 is about 2091.3151478558.

The spelling of 9146573939 in words is "nine billion, one hundred forty-six million, five hundred seventy-three thousand, nine hundred thirty-nine".