1353791449442 has 8 divisors (see below), whose sum is σ = 2030752602732. Its totient is φ = 676873915200.

The previous prime is 1353791449421. The next prime is 1353791449481. The reversal of 1353791449442 is 2449441973531.

It can be written as a sum of positive squares in 2 ways, for example, as 1295405909281 + 58385540161 = 1138159^2 + 241631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1353791449442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10827059 + ... + 10951382.

Almost surely, 2^{1353791449442} is an apocalyptic number.

1353791449442 is a deficient number, since it is larger than the sum of its proper divisors (676961153290).

1353791449442 is a wasteful number, since it uses less digits than its factorization.

1353791449442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809524.

The product of its digits is 13063680, while the sum is 56.

The spelling of 1353791449442 in words is "one trillion, three hundred fifty-three billion, seven hundred ninety-one million, four hundred forty-nine thousand, four hundred forty-two".