43490750564 has 12 divisors (see below), whose sum is σ = 77356499388. Its totient is φ = 21388893600.

The previous prime is 43490750551. The next prime is 43490750621. The reversal of 43490750564 is 46505709434.

It can be written as a sum of positive squares in 2 ways, for example, as 6722688064 + 36768062500 = 81992^2 + 191750^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89120147 + ... + 89120634.

It is an arithmetic number, because the mean of its divisors is an integer number (6446374949).

Almost surely, 2^43490750564 is an apocalyptic number.

It is an amenable number.

43490750564 is a deficient number, since it is larger than the sum of its proper divisors (33865748824).

43490750564 is a wasteful number, since it uses less digits than its factorization.

43490750564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178240846 (or 178240844 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 43490750564 in words is "forty-three billion, four hundred ninety million, seven hundred fifty thousand, five hundred sixty-four".