1043665497 has 24 divisors (see below), whose sum is σ = 1813556160. Its totient is φ = 564991200.

The previous prime is 1043665487. The next prime is 1043665501. The reversal of 1043665497 is 7945663401.

1043665497 is a `hidden beast` number, since 1 + 0 + 43 + 66 + 549 + 7 = 666.

1043665497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043665497 - 2⁶ = 1043665433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043665487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434754 + ... + 437147.

It is an arithmetic number, because the mean of its divisors is an integer number (75564840).

Almost surely, 2^1043665497 is an apocalyptic number.

It is an amenable number.

1043665497 is a deficient number, since it is larger than the sum of its proper divisors (769890663).

1043665497 is a wasteful number, since it uses less digits than its factorization.

1043665497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871933 (or 871930 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 1043665497 is about 32305.8121241364. The cubic root of 1043665497 is about 1014.3483071026.

The spelling of 1043665497 in words is "one billion, forty-three million, six hundred sixty-five thousand, four hundred ninety-seven".