431460447146 has 4 divisors (see below), whose sum is σ = 647190670722. Its totient is φ = 215730223572.

The previous prime is 431460447139. The next prime is 431460447161. The reversal of 431460447146 is 641744064134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 222039806521 + 209420640625 = 471211^2 + 457625^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431460447097 and 431460447106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107865111785 + ... + 107865111788.

Almost surely, 2^431460447146 is an apocalyptic number.

431460447146 is a deficient number, since it is larger than the sum of its proper divisors (215730223576).

431460447146 is a wasteful number, since it uses less digits than its factorization.

431460447146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215730223575.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 431460447146 in words is "four hundred thirty-one billion, four hundred sixty million, four hundred forty-seven thousand, one hundred forty-six".