1493939553 has 16 divisors (see below), whose sum is σ = 2061875520. Its totient is φ = 961024064.

The previous prime is 1493939537. The next prime is 1493939609. The reversal of 1493939553 is 3559393941.

It is a cyclic number.

It is not a de Polignac number, because 1493939553 - 2⁴ = 1493939537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493939496 and 1493939505.

It is not an unprimeable number, because it can be changed into a prime (1493931553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169975 + ... + 178547.

It is an arithmetic number, because the mean of its divisors is an integer number (128867220).

Almost surely, 2^1493939553 is an apocalyptic number.

It is an amenable number.

1493939553 is a deficient number, since it is larger than the sum of its proper divisors (567935967).

1493939553 is a wasteful number, since it uses less digits than its factorization.

1493939553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608.

The product of its digits is 1968300, while the sum is 51.

The square root of 1493939553 is about 38651.5142394189. The cubic root of 1493939553 is about 1143.1704994005.

The spelling of 1493939553 in words is "one billion, four hundred ninety-three million, nine hundred thirty-nine thousand, five hundred fifty-three".