1453424453421 has 8 divisors (see below), whose sum is σ = 1945619986464. Its totient is φ = 965089278000.

The previous prime is 1453424453413. The next prime is 1453424453431. The reversal of 1453424453421 is 1243544243541.

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

It is not a de Polignac number, because 1453424453421 - 2³ = 1453424453413 is a prime.

It is a super-2 number, since 2×1453424453421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453424453431) 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, 965088526 + ... + 965090031.

It is an arithmetic number, because the mean of its divisors is an integer number (243202498308).

Almost surely, 2^{1453424453421} is an apocalyptic number.

It is an amenable number.

1453424453421 is a deficient number, since it is larger than the sum of its proper divisors (492195533043).

1453424453421 is a wasteful number, since it uses less digits than its factorization.

1453424453421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930178811.

The product of its digits is 921600, while the sum is 42.

Adding to 1453424453421 its reverse (1243544243541), we get a palindrome (2696968696962).

The spelling of 1453424453421 in words is "one trillion, four hundred fifty-three billion, four hundred twenty-four million, four hundred fifty-three thousand, four hundred twenty-one".