2579787980450 has 18 divisors (see below), whose sum is σ = 4798426768401. Its totient is φ = 1031910649240.

The previous prime is 2579787980437. The next prime is 2579787980461. The reversal of 2579787980450 is 540897879752.

It can be written as a sum of positive squares in 2 ways, for example, as 2528192220841 + 51595759609 = 1590029^2 + 227147^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1135735.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11243777 + ... + 11470923.

Almost surely, 2^{2579787980450} is an apocalyptic number.

2579787980450 is a deficient number, since it is larger than the sum of its proper divisors (2218638787951).

2579787980450 is an frugal number, since it uses more digits than its factorization.

2579787980450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454306 (or 227154 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 71.

The spelling of 2579787980450 in words is "two trillion, five hundred seventy-nine billion, seven hundred eighty-seven million, nine hundred eighty thousand, four hundred fifty".