1242449459492 has 12 divisors (see below), whose sum is σ = 2201809169280. Its totient is φ = 613361125416.

The previous prime is 1242449459479. The next prime is 1242449459533. The reversal of 1242449459492 is 2949549442421.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965900728 + ... + 1965901359.

It is an arithmetic number, because the mean of its divisors is an integer number (183484097440).

Almost surely, 2^{1242449459492} is an apocalyptic number.

It is an amenable number.

1242449459492 is a deficient number, since it is larger than the sum of its proper divisors (959359709788).

1242449459492 is a wasteful number, since it uses less digits than its factorization.

1242449459492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931802170 (or 3931802168 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The spelling of 1242449459492 in words is "one trillion, two hundred forty-two billion, four hundred forty-nine million, four hundred fifty-nine thousand, four hundred ninety-two".