2678462591 has 32 divisors (see below), whose sum is σ = 3376080000. Its totient is φ = 2071867392.

The previous prime is 2678462587. The next prime is 2678462593. The reversal of 2678462591 is 1952648762.

It is not a de Polignac number, because 2678462591 - 2² = 2678462587 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 (2678462593) 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 31 ways as a sum of consecutive naturals, for example, 511595 + ... + 516803.

It is an arithmetic number, because the mean of its divisors is an integer number (105502500).

Almost surely, 2^2678462591 is an apocalyptic number.

2678462591 is a deficient number, since it is larger than the sum of its proper divisors (697617409).

2678462591 is a wasteful number, since it uses less digits than its factorization.

2678462591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411.

The product of its digits is 1451520, while the sum is 50.

The square root of 2678462591 is about 51753.8654691609. The cubic root of 2678462591 is about 1388.7642504661.

The spelling of 2678462591 in words is "two billion, six hundred seventy-eight million, four hundred sixty-two thousand, five hundred ninety-one".