2750042647 has 4 divisors (see below), whose sum is σ = 3000046536. Its totient is φ = 2500038760.

The previous prime is 2750042627. The next prime is 2750042657. The reversal of 2750042647 is 7462400572.

2750042647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750042647 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 (2750042627) 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, 125001928 + ... + 125001949.

It is an arithmetic number, because the mean of its divisors is an integer number (750011634).

Almost surely, 2^2750042647 is an apocalyptic number.

2750042647 is a deficient number, since it is larger than the sum of its proper divisors (250003889).

2750042647 is a wasteful number, since it uses less digits than its factorization.

2750042647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250003888.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 2750042647 is about 52440.8490301215. The cubic root of 2750042647 is about 1401.0269076279.

The spelling of 2750042647 in words is "two billion, seven hundred fifty million, forty-two thousand, six hundred forty-seven".