1496131909 has 4 divisors (see below), whose sum is σ = 1518462304. Its totient is φ = 1473801516.

The previous prime is 1496131907. The next prime is 1496131957. The reversal of 1496131909 is 9091316941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9091316941 = 7 ⋅1298759563.

It is a cyclic number.

It is not a de Polignac number, because 1496131909 - 2¹ = 1496131907 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 (1496131907) 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, 11165097 + ... + 11165230.

It is an arithmetic number, because the mean of its divisors is an integer number (379615576).

Almost surely, 2^1496131909 is an apocalyptic number.

It is an amenable number.

1496131909 is a deficient number, since it is larger than the sum of its proper divisors (22330395).

1496131909 is an equidigital number, since it uses as much as digits as its factorization.

1496131909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22330394.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 1496131909 is about 38679.8643870425. The cubic root of 1496131909 is about 1143.7294269086.

The spelling of 1496131909 in words is "one billion, four hundred ninety-six million, one hundred thirty-one thousand, nine hundred nine".