1040897479 has 2 divisors, whose sum is σ = 1040897480. Its totient is φ = 1040897478.

The previous prime is 1040897477. The next prime is 1040897497. The reversal of 1040897479 is 9747980401.

Together with next prime (1040897497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040897479 - 2¹ = 1040897477 is a prime.

It is a super-3 number, since 3×1040897479³ (a number of 28 digits) contains 333 as substring.

Together with 1040897477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040897477) 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, 520448739 + 520448740.

It is an arithmetic number, because the mean of its divisors is an integer number (520448740).

Almost surely, 2^1040897479 is an apocalyptic number.

1040897479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040897479 is an equidigital number, since it uses as much as digits as its factorization.

1040897479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1040897479 is about 32262.9428136988. The cubic root of 1040897479 is about 1013.4507589015.

The spelling of 1040897479 in words is "one billion, forty million, eight hundred ninety-seven thousand, four hundred seventy-nine".