1641534353473 has 16 divisors (see below), whose sum is σ = 1916060952960. Its totient is φ = 1377324228096.

The previous prime is 1641534353467. The next prime is 1641534353477. The reversal of 1641534353473 is 3743534351461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641534353473 is a prime.

It is a super-3 number, since 3×1641534353473³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641534353477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12897040 + ... + 13023697.

It is an arithmetic number, because the mean of its divisors is an integer number (119753809560).

Almost surely, 2^{1641534353473} is an apocalyptic number.

It is an amenable number.

1641534353473 is a deficient number, since it is larger than the sum of its proper divisors (274526599487).

1641534353473 is a wasteful number, since it uses less digits than its factorization.

1641534353473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25920936.

The product of its digits is 5443200, while the sum is 49.

The spelling of 1641534353473 in words is "one trillion, six hundred forty-one billion, five hundred thirty-four million, three hundred fifty-three thousand, four hundred seventy-three".