1043709497 has 4 divisors (see below), whose sum is σ = 1055436660. Its totient is φ = 1031982336.

The previous prime is 1043709493. The next prime is 1043709521. The reversal of 1043709497 is 7949073401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241460521 + 802248976 = 15539^2 + 28324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043709497 - 2² = 1043709493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043709493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5863448 + ... + 5863625.

It is an arithmetic number, because the mean of its divisors is an integer number (263859165).

Almost surely, 2^1043709497 is an apocalyptic number.

It is an amenable number.

1043709497 is a deficient number, since it is larger than the sum of its proper divisors (11727163).

1043709497 is an equidigital number, since it uses as much as digits as its factorization.

1043709497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727162.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1043709497 is about 32306.4931089711. The cubic root of 1043709497 is about 1014.3625615734.

The spelling of 1043709497 in words is "one billion, forty-three million, seven hundred nine thousand, four hundred ninety-seven".