51430161463204 has 6 divisors (see below), whose sum is σ = 90002782560614. Its totient is φ = 25715080731600.

The previous prime is 51430161463171. The next prime is 51430161463253. The reversal of 51430161463204 is 40236416103415.

It can be written as a sum of positive squares in only one way, i.e., 42852760624804 + 8577400838400 = 6546202^2 + 2928720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428770182897 + ... + 6428770182904.

Almost surely, 2^{51430161463204} is an apocalyptic number.

It is an amenable number.

51430161463204 is a deficient number, since it is larger than the sum of its proper divisors (38572621097410).

51430161463204 is a wasteful number, since it uses less digits than its factorization.

51430161463204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857540365805 (or 12857540365803 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 51430161463204 its reverse (40236416103415), we get a palindrome (91666577566619).

The spelling of 51430161463204 in words is "fifty-one trillion, four hundred thirty billion, one hundred sixty-one million, four hundred sixty-three thousand, two hundred four".