9156997043 has 2 divisors, whose sum is σ = 9156997044. Its totient is φ = 9156997042.

The previous prime is 9156997033. The next prime is 9156997081. The reversal of 9156997043 is 3407996519.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9156997043 - 2⁸ = 9156996787 is a prime.

It is not a weakly prime, because it can be changed into another prime (9156997013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4578498521 + 4578498522.

It is an arithmetic number, because the mean of its divisors is an integer number (4578498522).

Almost surely, 2^9156997043 is an apocalyptic number.

9156997043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9156997043 is an equidigital number, since it uses as much as digits as its factorization.

9156997043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 9156997043 is about 95692.1994887776. The cubic root of 9156997043 is about 2092.1092419285.

The spelling of 9156997043 in words is "nine billion, one hundred fifty-six million, nine hundred ninety-seven thousand, forty-three".