2813541987 has 8 divisors (see below), whose sum is σ = 3838631104. Its totient is φ = 1832073768.

The previous prime is 2813541977. The next prime is 2813542001. The reversal of 2813541987 is 7891453182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2813541987 - 2³¹ = 666058339 is a prime.

It is a super-2 number, since 2×2813541987² = 15832037025223816338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813541917) 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 7 ways as a sum of consecutive naturals, for example, 10905073 + ... + 10905330.

It is an arithmetic number, because the mean of its divisors is an integer number (479828888).

Almost surely, 2^2813541987 is an apocalyptic number.

2813541987 is a deficient number, since it is larger than the sum of its proper divisors (1025089117).

2813541987 is a wasteful number, since it uses less digits than its factorization.

2813541987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21810449.

The product of its digits is 483840, while the sum is 48.

The square root of 2813541987 is about 53042.8316269032. The cubic root of 2813541987 is about 1411.7283413200.

The spelling of 2813541987 in words is "two billion, eight hundred thirteen million, five hundred forty-one thousand, nine hundred eighty-seven".