4431903746425 has 12 divisors (see below), whose sum is σ = 5570842300540. Its totient is φ = 3496954187520.

The previous prime is 4431903746399. The next prime is 4431903746483. The reversal of 4431903746425 is 5246473091344.

It can be written as a sum of positive squares in 6 ways, for example, as 776851857664 + 3655051888761 = 881392^2 + 1911819^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4431903746425 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214218380 + ... + 1214222029.

Almost surely, 2^{4431903746425} is an apocalyptic number.

It is an amenable number.

4431903746425 is a deficient number, since it is larger than the sum of its proper divisors (1138938554115).

4431903746425 is a wasteful number, since it uses less digits than its factorization.

4431903746425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428440492 (or 2428440487 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 4431903746425 in words is "four trillion, four hundred thirty-one billion, nine hundred three million, seven hundred forty-six thousand, four hundred twenty-five".