1047161493 has 64 divisors (see below), whose sum is σ = 1893580800. Its totient is φ = 559016640.

The previous prime is 1047161447. The next prime is 1047161501. The reversal of 1047161493 is 3941617401.

1047161493 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 161 + 493 = 666.

It is not a de Polignac number, because 1047161493 - 2⁶ = 1047161429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047161593) 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 in 63 ways as a sum of consecutive naturals, for example, 166830 + ... + 172992.

It is an arithmetic number, because the mean of its divisors is an integer number (29587200).

Almost surely, 2^1047161493 is an apocalyptic number.

It is an amenable number.

1047161493 is a deficient number, since it is larger than the sum of its proper divisors (846419307).

1047161493 is a wasteful number, since it uses less digits than its factorization.

1047161493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1047161493 is about 32359.8747370876. The cubic root of 1047161493 is about 1015.4796419449.

Adding to 1047161493 its reverse (3941617401), we get a palindrome (4988778894).

The spelling of 1047161493 in words is "one billion, forty-seven million, one hundred sixty-one thousand, four hundred ninety-three".