2061257464463 has 4 divisors (see below), whose sum is σ = 2127749640768. Its totient is φ = 1994765288160.

The previous prime is 2061257464439. The next prime is 2061257464507. The reversal of 2061257464463 is 3644647521602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2061257464463 - 2²⁶ = 2061190355599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061257464663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33246088106 + ... + 33246088167.

It is an arithmetic number, because the mean of its divisors is an integer number (531937410192).

Almost surely, 2^{2061257464463} is an apocalyptic number.

2061257464463 is a deficient number, since it is larger than the sum of its proper divisors (66492176305).

2061257464463 is an equidigital number, since it uses as much as digits as its factorization.

2061257464463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66492176304.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 2061257464463 in words is "two trillion, sixty-one billion, two hundred fifty-seven million, four hundred sixty-four thousand, four hundred sixty-three".