2745021019508 has 24 divisors (see below), whose sum is σ = 4938668882952. Its totient is φ = 1334048707584.

The previous prime is 2745021019487. The next prime is 2745021019513. The reversal of 2745021019508 is 8059101205472.

It can be written as a sum of positive squares in 4 ways, for example, as 1176209659024 + 1568811360484 = 1084532^2 + 1252522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9347441 + ... + 9636632.

It is an arithmetic number, because the mean of its divisors is an integer number (205777870123).

Almost surely, 2^{2745021019508} is an apocalyptic number.

It is an amenable number.

2745021019508 is a deficient number, since it is larger than the sum of its proper divisors (2193647863444).

2745021019508 is a wasteful number, since it uses less digits than its factorization.

2745021019508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985091 (or 18985089 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 2745021019508 in words is "two trillion, seven hundred forty-five billion, twenty-one million, nineteen thousand, five hundred eight".