1492788849 has 16 divisors (see below), whose sum is σ = 2143924224. Its totient is φ = 921214800.

The previous prime is 1492788841. The next prime is 1492788851. The reversal of 1492788849 is 9488872941.

It is a happy number.

It is not a de Polignac number, because 1492788849 - 2³ = 1492788841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1492788792 and 1492788801.

It is not an unprimeable number, because it can be changed into a prime (1492788841) 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, 346807 + ... + 351084.

It is an arithmetic number, because the mean of its divisors is an integer number (133995264).

Almost surely, 2^1492788849 is an apocalyptic number.

It is an amenable number.

1492788849 is a deficient number, since it is larger than the sum of its proper divisors (651135375).

1492788849 is a wasteful number, since it uses less digits than its factorization.

1492788849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697948.

The product of its digits is 9289728, while the sum is 60.

The square root of 1492788849 is about 38636.6257455280. The cubic root of 1492788849 is about 1142.8769157345.

The spelling of 1492788849 in words is "one billion, four hundred ninety-two million, seven hundred eighty-eight thousand, eight hundred forty-nine".