6542773545 has 128 divisors (see below), whose sum is σ = 13711638528. Its totient is φ = 2583187200.

The previous prime is 6542773537. The next prime is 6542773571. The reversal of 6542773545 is 5453772456.

It is not a de Polignac number, because 6542773545 - 2³ = 6542773537 is a prime.

It is a super-2 number, since 2×6542773545² = 85615771322303734050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6542773494 and 6542773503.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4329340 + ... + 4330850.

It is an arithmetic number, because the mean of its divisors is an integer number (107122176).

Almost surely, 2^6542773545 is an apocalyptic number.

It is an amenable number.

6542773545 is an abundant number, since it is smaller than the sum of its proper divisors (7168864983).

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

6542773545 is a wasteful number, since it uses less digits than its factorization.

6542773545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its digits is 3528000, while the sum is 48.

The square root of 6542773545 is about 80887.4127723220. The cubic root of 6542773545 is about 1870.3402914326.

It can be divided in two parts, 6542 and 773545, that added together give a palindrome (780087).

The spelling of 6542773545 in words is "six billion, five hundred forty-two million, seven hundred seventy-three thousand, five hundred forty-five".