1493386763 has 4 divisors (see below), whose sum is σ = 1629149208. Its totient is φ = 1357624320.

The previous prime is 1493386759. The next prime is 1493386787. The reversal of 1493386763 is 3676833941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3676833941 = 11 ⋅334257631.

It is a cyclic number.

It is not a de Polignac number, because 1493386763 - 2² = 1493386759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493386703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67881206 + ... + 67881227.

It is an arithmetic number, because the mean of its divisors is an integer number (407287302).

Almost surely, 2^1493386763 is an apocalyptic number.

1493386763 is a deficient number, since it is larger than the sum of its proper divisors (135762445).

1493386763 is a wasteful number, since it uses less digits than its factorization.

1493386763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135762444.

The product of its digits is 1959552, while the sum is 50.

The square root of 1493386763 is about 38644.3626289786. The cubic root of 1493386763 is about 1143.0294827223.

The spelling of 1493386763 in words is "one billion, four hundred ninety-three million, three hundred eighty-six thousand, seven hundred sixty-three".