1353455454431 has 4 divisors (see below), whose sum is σ = 1400126332200. Its totient is φ = 1306784576664.

The previous prime is 1353455454413. The next prime is 1353455454517. The reversal of 1353455454431 is 1344545543531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353455454431 - 2³⁰ = 1352381712607 is a prime.

It is a super-2 number, since 2×1353455454431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353455454331) 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, 23335438841 + ... + 23335438898.

It is an arithmetic number, because the mean of its divisors is an integer number (350031583050).

Almost surely, 2^{1353455454431} is an apocalyptic number.

1353455454431 is a deficient number, since it is larger than the sum of its proper divisors (46670877769).

1353455454431 is an equidigital number, since it uses as much as digits as its factorization.

1353455454431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46670877768.

The product of its digits is 4320000, while the sum is 47.

The spelling of 1353455454431 in words is "one trillion, three hundred fifty-three billion, four hundred fifty-five million, four hundred fifty-four thousand, four hundred thirty-one".