2491528677 has 16 divisors (see below), whose sum is σ = 3629380608. Its totient is φ = 1507792880.

The previous prime is 2491528673. The next prime is 2491528769. The reversal of 2491528677 is 7768251942.

It is a happy number.

It is not a de Polignac number, because 2491528677 - 2² = 2491528673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491528673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32733 + ... + 77810.

It is an arithmetic number, because the mean of its divisors is an integer number (226836288).

Almost surely, 2^2491528677 is an apocalyptic number.

It is an amenable number.

2491528677 is a deficient number, since it is larger than the sum of its proper divisors (1137851931).

2491528677 is a wasteful number, since it uses less digits than its factorization.

2491528677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111240.

The product of its digits is 1693440, while the sum is 51.

The square root of 2491528677 is about 49915.2148848425. The cubic root of 2491528677 is about 1355.6740929549.

The spelling of 2491528677 in words is "two billion, four hundred ninety-one million, five hundred twenty-eight thousand, six hundred seventy-seven".