1493359538431 has 4 divisors (see below), whose sum is σ = 1493486224200. Its totient is φ = 1493232852664.

The previous prime is 1493359538389. The next prime is 1493359538479. The reversal of 1493359538431 is 1348359533941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1493359538431 - 2⁹ = 1493359537919 is a prime.

It is a super-2 number, since 2×1493359538431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493359538131) 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, 63325201 + ... + 63348778.

It is an arithmetic number, because the mean of its divisors is an integer number (373371556050).

Almost surely, 2^{1493359538431} is an apocalyptic number.

1493359538431 is a deficient number, since it is larger than the sum of its proper divisors (126685769).

1493359538431 is a wasteful number, since it uses less digits than its factorization.

1493359538431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126685768.

The product of its digits is 20995200, while the sum is 58.

The spelling of 1493359538431 in words is "one trillion, four hundred ninety-three billion, three hundred fifty-nine million, five hundred thirty-eight thousand, four hundred thirty-one".