51432434204 has 6 divisors (see below), whose sum is σ = 90006759864. Its totient is φ = 25716217100.

The previous prime is 51432434153. The next prime is 51432434227. The reversal of 51432434204 is 40243423415.

It is a super-2 number, since 2×51432434204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429054272 + ... + 6429054279.

It is an arithmetic number, because the mean of its divisors is an integer number (15001126644).

Almost surely, 2^51432434204 is an apocalyptic number.

It is an amenable number.

51432434204 is a deficient number, since it is larger than the sum of its proper divisors (38574325660).

51432434204 is a wasteful number, since it uses less digits than its factorization.

51432434204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12858108555 (or 12858108553 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 51432434204 its reverse (40243423415), we get a palindrome (91675857619).

The spelling of 51432434204 in words is "fifty-one billion, four hundred thirty-two million, four hundred thirty-four thousand, two hundred four".