1493791364 has 24 divisors (see below), whose sum is σ = 2817319680. Its totient is φ = 688928544.

The previous prime is 1493791361. The next prime is 1493791427. The reversal of 1493791364 is 4631973941.

It is not an unprimeable number, because it can be changed into a prime (1493791361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64847 + ... + 84809.

It is an arithmetic number, because the mean of its divisors is an integer number (117388320).

Almost surely, 2^1493791364 is an apocalyptic number.

It is an amenable number.

1493791364 is a deficient number, since it is larger than the sum of its proper divisors (1323528316).

1493791364 is a wasteful number, since it uses less digits than its factorization.

1493791364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21419 (or 21417 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 1493791364 is about 38649.5972035932. The cubic root of 1493791364 is about 1143.1326998134.

The spelling of 1493791364 in words is "one billion, four hundred ninety-three million, seven hundred ninety-one thousand, three hundred sixty-four".