1040749473 has 4 divisors (see below), whose sum is σ = 1387665968. Its totient is φ = 693832980.

The previous prime is 1040749459. The next prime is 1040749481. The reversal of 1040749473 is 3749470401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1040749473 - 2⁸ = 1040749217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040749403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173458243 + ... + 173458248.

It is an arithmetic number, because the mean of its divisors is an integer number (346916492).

Almost surely, 2^1040749473 is an apocalyptic number.

It is an amenable number.

1040749473 is a deficient number, since it is larger than the sum of its proper divisors (346916495).

1040749473 is an equidigital number, since it uses as much as digits as its factorization.

1040749473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346916494.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1040749473 is about 32260.6489860325. The cubic root of 1040749473 is about 1013.4027221812.

The spelling of 1040749473 in words is "one billion, forty million, seven hundred forty-nine thousand, four hundred seventy-three".