1394900858987 has 2 divisors, whose sum is σ = 1394900858988. Its totient is φ = 1394900858986.

The previous prime is 1394900858969. The next prime is 1394900859113. The reversal of 1394900858987 is 7898580094931.

It is a weak prime.

It is an emirp because it is prime and its reverse (7898580094931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1394900858987 - 2²⁰ = 1394899810411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1394900858987.

It is not a weakly prime, because it can be changed into another prime (1394900858887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697450429493 + 697450429494.

It is an arithmetic number, because the mean of its divisors is an integer number (697450429494).

Almost surely, 2^{1394900858987} is an apocalyptic number.

1394900858987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394900858987 is an equidigital number, since it uses as much as digits as its factorization.

1394900858987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 71.

The spelling of 1394900858987 in words is "one trillion, three hundred ninety-four billion, nine hundred million, eight hundred fifty-eight thousand, nine hundred eighty-seven".