1531490093 has 16 divisors (see below), whose sum is σ = 1786924800. Its totient is φ = 1285468800.

The previous prime is 1531490071. The next prime is 1531490099. The reversal of 1531490093 is 3900941351.

It is not a de Polignac number, because 1531490093 - 2⁸ = 1531489837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531490099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63713 + ... + 84393.

It is an arithmetic number, because the mean of its divisors is an integer number (111682800).

Almost surely, 2^1531490093 is an apocalyptic number.

It is an amenable number.

1531490093 is a deficient number, since it is larger than the sum of its proper divisors (255434707).

1531490093 is a wasteful number, since it uses less digits than its factorization.

1531490093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1531490093 is about 39134.2572818241. The cubic root of 1531490093 is about 1152.6693111442.

The spelling of 1531490093 in words is "one billion, five hundred thirty-one million, four hundred ninety thousand, ninety-three".