1641287900013 has 8 divisors (see below), whose sum is σ = 2188398060576. Its totient is φ = 1094184836400.

The previous prime is 1641287899987. The next prime is 1641287900023. The reversal of 1641287900013 is 3100097821461.

It is a happy number.

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

It is not a de Polignac number, because 1641287900013 - 2¹⁴ = 1641287883629 is a prime.

It is a super-4 number, since 4×1641287900013⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641287900023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1208878 + ... + 2178063.

It is an arithmetic number, because the mean of its divisors is an integer number (273549757572).

Almost surely, 2^{1641287900013} is an apocalyptic number.

It is an amenable number.

1641287900013 is a deficient number, since it is larger than the sum of its proper divisors (547110160563).

1641287900013 is a wasteful number, since it uses less digits than its factorization.

1641287900013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548475.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 1641287900013 in words is "one trillion, six hundred forty-one billion, two hundred eighty-seven million, nine hundred thousand, thirteen".