1454121664431 has 8 divisors (see below), whose sum is σ = 1938843827760. Its totient is φ = 969406972032.

The previous prime is 1454121664421. The next prime is 1454121664459. The reversal of 1454121664431 is 1344661214541.

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

It is a de Polignac number, because none of the positive numbers 2^k-1454121664431 is a prime.

It is a super-2 number, since 2×1454121664431² (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 (1454121664421) 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, 1396600 + ... + 2204253.

It is an arithmetic number, because the mean of its divisors is an integer number (242355478470).

Almost surely, 2^{1454121664431} is an apocalyptic number.

1454121664431 is a deficient number, since it is larger than the sum of its proper divisors (484722163329).

1454121664431 is a wasteful number, since it uses less digits than its factorization.

1454121664431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735465.

The product of its digits is 276480, while the sum is 42.

Adding to 1454121664431 its reverse (1344661214541), we get a palindrome (2798782878972).

The spelling of 1454121664431 in words is "one trillion, four hundred fifty-four billion, one hundred twenty-one million, six hundred sixty-four thousand, four hundred thirty-one".