1464431521345 has 48 divisors (see below), whose sum is σ = 1956889561536. Its totient is φ = 1045805385600.

The previous prime is 1464431521297. The next prime is 1464431521391. The reversal of 1464431521345 is 5431251344641.

It is not a de Polignac number, because 1464431521345 - 2⁹ = 1464431520833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98125054 + ... + 98139976.

It is an arithmetic number, because the mean of its divisors is an integer number (40768532532).

Almost surely, 2^{1464431521345} is an apocalyptic number.

It is an amenable number.

1464431521345 is a deficient number, since it is larger than the sum of its proper divisors (492458040191).

1464431521345 is a wasteful number, since it uses less digits than its factorization.

1464431521345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574 (or 16543 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

Adding to 1464431521345 its reverse (5431251344641), we get a palindrome (6895682865986).

The spelling of 1464431521345 in words is "one trillion, four hundred sixty-four billion, four hundred thirty-one million, five hundred twenty-one thousand, three hundred forty-five".