2641551487 has 2 divisors, whose sum is σ = 2641551488. Its totient is φ = 2641551486.

The previous prime is 2641551461. The next prime is 2641551491. The reversal of 2641551487 is 7841551462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641551487 - 2¹⁹ = 2641027199 is a prime.

It is a super-2 number, since 2×2641551487² = 13955588516943822338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641551427) 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 as a sum of consecutive naturals, namely, 1320775743 + 1320775744.

It is an arithmetic number, because the mean of its divisors is an integer number (1320775744).

Almost surely, 2^2641551487 is an apocalyptic number.

2641551487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641551487 is an equidigital number, since it uses as much as digits as its factorization.

2641551487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 43.

The square root of 2641551487 is about 51396.0259845058. The cubic root of 2641551487 is about 1382.3553362098.

The spelling of 2641551487 in words is "two billion, six hundred forty-one million, five hundred fifty-one thousand, four hundred eighty-seven".