1478137049687 has 2 divisors, whose sum is σ = 1478137049688. Its totient is φ = 1478137049686.

The previous prime is 1478137049657. The next prime is 1478137049707. The reversal of 1478137049687 is 7869407318741.

It is a strong prime.

It is an emirp because it is prime and its reverse (7869407318741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1478137049687 - 2¹² = 1478137045591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478137049657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739068524843 + 739068524844.

It is an arithmetic number, because the mean of its divisors is an integer number (739068524844).

Almost surely, 2^{1478137049687} is an apocalyptic number.

1478137049687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478137049687 is an equidigital number, since it uses as much as digits as its factorization.

1478137049687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 1478137049687 in words is "one trillion, four hundred seventy-eight billion, one hundred thirty-seven million, forty-nine thousand, six hundred eighty-seven".