2487254689691 has 2 divisors, whose sum is σ = 2487254689692. Its totient is φ = 2487254689690.

The previous prime is 2487254689687. The next prime is 2487254689721. The reversal of 2487254689691 is 1969864527842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2487254689691 - 2² = 2487254689687 is a prime.

It is not a weakly prime, because it can be changed into another prime (2487254689891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243627344845 + 1243627344846.

It is an arithmetic number, because the mean of its divisors is an integer number (1243627344846).

Almost surely, 2^{2487254689691} is an apocalyptic number.

2487254689691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487254689691 is an equidigital number, since it uses as much as digits as its factorization.

2487254689691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 418037760, while the sum is 71.

The spelling of 2487254689691 in words is "two trillion, four hundred eighty-seven billion, two hundred fifty-four million, six hundred eighty-nine thousand, six hundred ninety-one".