2616542047 has 4 divisors (see below), whose sum is σ = 2990333776. Its totient is φ = 2242750320.

The previous prime is 2616542021. The next prime is 2616542051. The reversal of 2616542047 is 7402456162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7402456162 = 2 ⋅3701228081.

It is a cyclic number.

It is not a de Polignac number, because 2616542047 - 2⁷ = 2616541919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2616541997 and 2616542015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616542087) 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, 186895854 + ... + 186895867.

It is an arithmetic number, because the mean of its divisors is an integer number (747583444).

Almost surely, 2^2616542047 is an apocalyptic number.

2616542047 is a deficient number, since it is larger than the sum of its proper divisors (373791729).

2616542047 is an equidigital number, since it uses as much as digits as its factorization.

2616542047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373791728.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2616542047 is about 51152.1460644615. The cubic root of 2616542047 is about 1377.9789162410.

The spelling of 2616542047 in words is "two billion, six hundred sixteen million, five hundred forty-two thousand, forty-seven".