2069654063840 has 144 divisors (see below), whose sum is σ = 5519730466656. Its totient is φ = 732260643840.

The previous prime is 2069654063837. The next prime is 2069654063879. The reversal of 2069654063840 is 483604569602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728324 + ... + 2160963.

It is an arithmetic number, because the mean of its divisors is an integer number (38331461574).

Almost surely, 2^{2069654063840} is an apocalyptic number.

2069654063840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069654063840 is an abundant number, since it is smaller than the sum of its proper divisors (3450076402816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2069654063840 is a wasteful number, since it uses less digits than its factorization.

2069654063840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889361 (or 2889342 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 2069654063840 in words is "two trillion, sixty-nine billion, six hundred fifty-four million, sixty-three thousand, eight hundred forty".