2751139485 has 120 divisors (see below), whose sum is σ = 5381646336. Its totient is φ = 1342992960.

The previous prime is 2751139481. The next prime is 2751139487. The reversal of 2751139485 is 5849311572.

2751139485 is a `hidden beast` number, since 27 + 511 + 39 + 4 + 85 = 666.

It is not a de Polignac number, because 2751139485 - 2² = 2751139481 is a prime.

It is a super-3 number, since 3×2751139485³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2751139485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2751139481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4532052 + ... + 4532658.

Almost surely, 2^2751139485 is an apocalyptic number.

It is an amenable number.

2751139485 is a deficient number, since it is larger than the sum of its proper divisors (2630506851).

2751139485 is a wasteful number, since it uses less digits than its factorization.

2751139485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 665 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 2751139485 is about 52451.3058464706. The cubic root of 2751139485 is about 1401.2131465937.

The spelling of 2751139485 in words is "two billion, seven hundred fifty-one million, one hundred thirty-nine thousand, four hundred eighty-five".