1493725459 has 4 divisors (see below), whose sum is σ = 1495123840. Its totient is φ = 1492327080.

The previous prime is 1493725433. The next prime is 1493725481. The reversal of 1493725459 is 9545273941.

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 1493725459 - 2¹⁷ = 1493594387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493725159) 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, 697587 + ... + 699724.

It is an arithmetic number, because the mean of its divisors is an integer number (373780960).

Almost surely, 2^1493725459 is an apocalyptic number.

1493725459 is a deficient number, since it is larger than the sum of its proper divisors (1398381).

1493725459 is a wasteful number, since it uses less digits than its factorization.

1493725459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398380.

The product of its digits is 1360800, while the sum is 49.

The square root of 1493725459 is about 38648.7445979814. The cubic root of 1493725459 is about 1143.1158881688.

The spelling of 1493725459 in words is "one billion, four hundred ninety-three million, seven hundred twenty-five thousand, four hundred fifty-nine".