1650434621404 has 12 divisors (see below), whose sum is σ = 2888941329064. Its totient is φ = 825022813104.

The previous prime is 1650434621393. The next prime is 1650434621417. The reversal of 1650434621404 is 4041264340561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48605307 + ... + 48639250.

Almost surely, 2^{1650434621404} is an apocalyptic number.

It is an amenable number.

1650434621404 is a deficient number, since it is larger than the sum of its proper divisors (1238506707660).

1650434621404 is a wasteful number, since it uses less digits than its factorization.

1650434621404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97248804 (or 97248802 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 1650434621404 its reverse (4041264340561), we get a palindrome (5691698961965).

The spelling of 1650434621404 in words is "one trillion, six hundred fifty billion, four hundred thirty-four million, six hundred twenty-one thousand, four hundred four".