1639040284033 has 16 divisors (see below), whose sum is σ = 1778287789440. Its totient is φ = 1505808057600.

The previous prime is 1639040284003. The next prime is 1639040284067. The reversal of 1639040284033 is 3304820409361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1639040284033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1639040284003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876760 + ... + 10041337.

It is an arithmetic number, because the mean of its divisors is an integer number (111142986840).

Almost surely, 2^{1639040284033} is an apocalyptic number.

It is an amenable number.

1639040284033 is a deficient number, since it is larger than the sum of its proper divisors (139247505407).

1639040284033 is a wasteful number, since it uses less digits than its factorization.

1639040284033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19918248.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 1639040284033 in words is "one trillion, six hundred thirty-nine billion, forty million, two hundred eighty-four thousand, thirty-three".