1493791365 has 64 divisors (see below), whose sum is σ = 2701320192. Its totient is φ = 698611200.

The previous prime is 1493791361. The next prime is 1493791427. The reversal of 1493791365 is 5631973941.

It is not a de Polignac number, because 1493791365 - 2² = 1493791361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493791361) 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 63 ways as a sum of consecutive naturals, for example, 549249 + ... + 551961.

It is an arithmetic number, because the mean of its divisors is an integer number (42208128).

Almost surely, 2^1493791365 is an apocalyptic number.

1493791365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493791365 is a deficient number, since it is larger than the sum of its proper divisors (1207528827).

1493791365 is a wasteful number, since it uses less digits than its factorization.

1493791365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its digits is 612360, while the sum is 48.

The square root of 1493791365 is about 38649.5972165300. The cubic root of 1493791365 is about 1143.1327000685.

The spelling of 1493791365 in words is "one billion, four hundred ninety-three million, seven hundred ninety-one thousand, three hundred sixty-five".