1641424631404 has 6 divisors (see below), whose sum is σ = 2872493104964. Its totient is φ = 820712315700.

The previous prime is 1641424631303. The next prime is 1641424631423. The reversal of 1641424631404 is 4041364241461.

It is a super-2 number, since 2×1641424631404² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205178078922 + ... + 205178078929.

Almost surely, 2^{1641424631404} is an apocalyptic number.

It is an amenable number.

1641424631404 is a deficient number, since it is larger than the sum of its proper divisors (1231068473560).

1641424631404 is a wasteful number, since it uses less digits than its factorization.

1641424631404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410356157855 (or 410356157853 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

Adding to 1641424631404 its reverse (4041364241461), we get a palindrome (5682788872865).

The spelling of 1641424631404 in words is "one trillion, six hundred forty-one billion, four hundred twenty-four million, six hundred thirty-one thousand, four hundred four".