1452990191969 has 8 divisors (see below), whose sum is σ = 1473174721920. Its totient is φ = 1432850468400.

The previous prime is 1452990191953. The next prime is 1452990192079. The reversal of 1452990191969 is 9691910992541.

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

It is a cyclic number.

It is not a de Polignac number, because 1452990191969 - 2⁴ = 1452990191953 is a prime.

It is a super-2 number, since 2×1452990191969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452990191669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11136287 + ... + 11266004.

It is an arithmetic number, because the mean of its divisors is an integer number (184146840240).

Almost surely, 2^{1452990191969} is an apocalyptic number.

It is an amenable number.

1452990191969 is a deficient number, since it is larger than the sum of its proper divisors (20184529951).

1452990191969 is an equidigital number, since it uses as much as digits as its factorization.

1452990191969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22403191.

The product of its (nonzero) digits is 14171760, while the sum is 65.

The spelling of 1452990191969 in words is "one trillion, four hundred fifty-two billion, nine hundred ninety million, one hundred ninety-one thousand, nine hundred sixty-nine".