1492821133449 has 4 divisors (see below), whose sum is σ = 1990428177936. Its totient is φ = 995214088964.

The previous prime is 1492821133409. The next prime is 1492821133451. The reversal of 1492821133449 is 9443311282941.

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.

It is a cyclic number.

It is not a de Polignac number, because 1492821133449 - 2²⁹ = 1492284262537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1492821133409) 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, 248803522239 + ... + 248803522244.

It is an arithmetic number, because the mean of its divisors is an integer number (497607044484).

Almost surely, 2^{1492821133449} is an apocalyptic number.

It is an amenable number.

1492821133449 is a deficient number, since it is larger than the sum of its proper divisors (497607044487).

1492821133449 is an equidigital number, since it uses as much as digits as its factorization.

1492821133449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497607044486.

The product of its digits is 1492992, while the sum is 51.

The spelling of 1492821133449 in words is "one trillion, four hundred ninety-two billion, eight hundred twenty-one million, one hundred thirty-three thousand, four hundred forty-nine".