43492292009 has 2 divisors, whose sum is σ = 43492292010. Its totient is φ = 43492292008.

The previous prime is 43492291967. The next prime is 43492292017. The reversal of 43492292009 is 90029229434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42682320409 + 809971600 = 206597^2 + 28460^2 .

It is a cyclic number.

It is not a de Polignac number, because 43492292009 - 2²⁴ = 43475514793 is a prime.

It is a super-2 number, since 2×43492292009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43492292309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21746146004 + 21746146005.

It is an arithmetic number, because the mean of its divisors is an integer number (21746146005).

Almost surely, 2^43492292009 is an apocalyptic number.

It is an amenable number.

43492292009 is a deficient number, since it is larger than the sum of its proper divisors (1).

43492292009 is an equidigital number, since it uses as much as digits as its factorization.

43492292009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 43492292009 in words is "forty-three billion, four hundred ninety-two million, two hundred ninety-two thousand, nine".