2061356453448 has 32 divisors (see below), whose sum is σ = 5153559163200. Its totient is φ = 687096413888.

The previous prime is 2061356453447. The next prime is 2061356453459. The reversal of 2061356453448 is 8443546531602.

It is a super-3 number, since 3×2061356453448³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2061356453448.

It is not an unprimeable number, because it can be changed into a prime (2061356453441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640428 + ... + 2129051.

It is an arithmetic number, because the mean of its divisors is an integer number (161048723850).

Almost surely, 2^{2061356453448} is an apocalyptic number.

It is an amenable number.

2061356453448 is an abundant number, since it is smaller than the sum of its proper divisors (3092202709752).

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

2061356453448 is a wasteful number, since it uses less digits than its factorization.

2061356453448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800501 (or 2800497 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 2061356453448 in words is "two trillion, sixty-one billion, three hundred fifty-six million, four hundred fifty-three thousand, four hundred forty-eight".