19376605487 has 2 divisors, whose sum is σ = 19376605488. Its totient is φ = 19376605486.

The previous prime is 19376605471. The next prime is 19376605513. The reversal of 19376605487 is 78450667391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19376605487 - 2⁴ = 19376605471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19376605987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9688302743 + 9688302744.

It is an arithmetic number, because the mean of its divisors is an integer number (9688302744).

Almost surely, 2^19376605487 is an apocalyptic number.

19376605487 is a deficient number, since it is larger than the sum of its proper divisors (1).

19376605487 is an equidigital number, since it uses as much as digits as its factorization.

19376605487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 19376605487 in words is "nineteen billion, three hundred seventy-six million, six hundred five thousand, four hundred eighty-seven".