43376620825 has 6 divisors (see below), whose sum is σ = 53787009854. Its totient is φ = 34701296640.

The previous prime is 43376620783. The next prime is 43376620843. The reversal of 43376620825 is 52802667334.

It can be written as a sum of positive squares in 3 ways, for example, as 2899607104 + 40477013721 = 53848^2 + 201189^2 .

It is not a de Polignac number, because 43376620825 - 2⁷ = 43376620697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867532392 + ... + 867532441.

Almost surely, 2^43376620825 is an apocalyptic number.

It is an amenable number.

43376620825 is a deficient number, since it is larger than the sum of its proper divisors (10410389029).

43376620825 is a wasteful number, since it uses less digits than its factorization.

43376620825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735064843 (or 1735064838 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 43376620825 in words is "forty-three billion, three hundred seventy-six million, six hundred twenty thousand, eight hundred twenty-five".