1493288671 has 24 divisors (see below), whose sum is σ = 1755568080. Its totient is φ = 1266435072.

The previous prime is 1493288669. The next prime is 1493288681. The reversal of 1493288671 is 1768823941.

It is not a de Polignac number, because 1493288671 - 2¹ = 1493288669 is a prime.

It is a super-2 number, since 2×1493288671² = 4459822109873892482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493288681) 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, 2543640 + ... + 2544226.

It is an arithmetic number, because the mean of its divisors is an integer number (73148670).

Almost surely, 2^1493288671 is an apocalyptic number.

1493288671 is a deficient number, since it is larger than the sum of its proper divisors (262279409).

1493288671 is a wasteful number, since it uses less digits than its factorization.

1493288671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1056 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 1493288671 is about 38643.0934450129. The cubic root of 1493288671 is about 1143.0044558269.

The spelling of 1493288671 in words is "one billion, four hundred ninety-three million, two hundred eighty-eight thousand, six hundred seventy-one".