2650798728045 has 48 divisors (see below), whose sum is σ = 4948307228592. Its totient is φ = 1304969149440.

The previous prime is 2650798728037. The next prime is 2650798728101. The reversal of 2650798728045 is 5408278970562.

2650798728045 is a `hidden beast` number, since 2 + 6 + 507 + 9 + 8 + 7 + 2 + 80 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 57246304644 + 2593552423401 = 239262^2 + 1610451^2 .

It is not a de Polignac number, because 2650798728045 - 2³ = 2650798728037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32612355 + ... + 32693535.

It is an arithmetic number, because the mean of its divisors is an integer number (103089733929).

Almost surely, 2^{2650798728045} is an apocalyptic number.

It is an amenable number.

2650798728045 is a deficient number, since it is larger than the sum of its proper divisors (2297508500547).

2650798728045 is a wasteful number, since it uses less digits than its factorization.

2650798728045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137022 (or 137019 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 2650798728045 in words is "two trillion, six hundred fifty billion, seven hundred ninety-eight million, seven hundred twenty-eight thousand, forty-five".