1464454544641 has 12 divisors (see below), whose sum is σ = 1610212912000. Its totient is φ = 1330889586840.

The previous prime is 1464454544593. The next prime is 1464454544653.

It is a happy number.

1464454544641 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1464454544641 - 2¹⁵ = 1464454511873 is a prime.

It is a super-2 number, since 2×1464454544641² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1464454544681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592841 + ... + 2337958.

Almost surely, 2^{1464454544641} is an apocalyptic number.

1464454544641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1464454544641 is a deficient number, since it is larger than the sum of its proper divisors (145758367359).

1464454544641 is a wasteful number, since it uses less digits than its factorization.

1464454544641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933900 (or 3933889 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 52.

The spelling of 1464454544641 in words is "one trillion, four hundred sixty-four billion, four hundred fifty-four million, five hundred forty-four thousand, six hundred forty-one".