1053438645064 has 32 divisors (see below), whose sum is σ = 2127192480000. Its totient is φ = 486189479232.

The previous prime is 1053438645019. The next prime is 1053438645073. The reversal of 1053438645064 is 4605468343501.

It is a super-2 number, since 2×1053438645064² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053438644999 and 1053438645017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563087 + ... + 4788385.

It is an arithmetic number, because the mean of its divisors is an integer number (66474765000).

Almost surely, 2^{1053438645064} is an apocalyptic number.

It is an amenable number.

1053438645064 is an abundant number, since it is smaller than the sum of its proper divisors (1073753834936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053438645064 is a wasteful number, since it uses less digits than its factorization.

1053438645064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270277 (or 270273 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 1053438645064 in words is "one trillion, fifty-three billion, four hundred thirty-eight million, six hundred forty-five thousand, sixty-four".