1047489645 has 8 divisors (see below), whose sum is σ = 1675983456. Its totient is φ = 558661136.

The previous prime is 1047489637. The next prime is 1047489701. The reversal of 1047489645 is 5469847401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047489645 - 2³ = 1047489637 is a prime.

It is a super-3 number, since 3×1047489645³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1047489594 and 1047489603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34916307 + ... + 34916336.

It is an arithmetic number, because the mean of its divisors is an integer number (209497932).

Almost surely, 2^1047489645 is an apocalyptic number.

1047489645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047489645 is a deficient number, since it is larger than the sum of its proper divisors (628493811).

1047489645 is an equidigital number, since it uses as much as digits as its factorization.

1047489645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69832651.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1047489645 is about 32364.9446932943. The cubic root of 1047489645 is about 1015.5857054557.

The spelling of 1047489645 in words is "one billion, forty-seven million, four hundred eighty-nine thousand, six hundred forty-five".