1641423503404 has 24 divisors (see below), whose sum is σ = 2907189044928. Its totient is φ = 810798671760.

The previous prime is 1641423503387. The next prime is 1641423503407. The reversal of 1641423503404 is 4043053241461.

It is a super-2 number, since 2×1641423503404² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641423503407) by changing a digit.

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, 15507099 + ... + 15612589.

It is an arithmetic number, because the mean of its divisors is an integer number (121132876872).

Almost surely, 2^{1641423503404} is an apocalyptic number.

It is an amenable number.

1641423503404 is a deficient number, since it is larger than the sum of its proper divisors (1265765541524).

1641423503404 is a wasteful number, since it uses less digits than its factorization.

1641423503404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152445 (or 152443 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 1641423503404 its reverse (4043053241461), we get a palindrome (5684476744865).

The spelling of 1641423503404 in words is "one trillion, six hundred forty-one billion, four hundred twenty-three million, five hundred three thousand, four hundred four".