9139454650 has 24 divisors (see below), whose sum is σ = 17167705884. Its totient is φ = 3619584000.

The previous prime is 9139454633. The next prime is 9139454663. The reversal of 9139454650 is 564549319.

It can be written as a sum of positive squares in 6 ways, for example, as 3196432369 + 5943022281 = 56537^2 + 77091^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9139454650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899847 + ... + 909946.

Almost surely, 2^9139454650 is an apocalyptic number.

9139454650 is a deficient number, since it is larger than the sum of its proper divisors (8028251234).

9139454650 is a wasteful number, since it uses less digits than its factorization.

9139454650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809906 (or 1809901 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 9139454650 is about 95600.4950300991. The cubic root of 9139454650 is about 2090.7724112495.

The spelling of 9139454650 in words is "nine billion, one hundred thirty-nine million, four hundred fifty-four thousand, six hundred fifty".