1395056276987 has 2 divisors, whose sum is σ = 1395056276988. Its totient is φ = 1395056276986.

The previous prime is 1395056276917. The next prime is 1395056276993. The reversal of 1395056276987 is 7896726505931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1395056276987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1395056276917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697528138493 + 697528138494.

It is an arithmetic number, because the mean of its divisors is an integer number (697528138494).

Almost surely, 2^{1395056276987} is an apocalyptic number.

1395056276987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395056276987 is an equidigital number, since it uses as much as digits as its factorization.

1395056276987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171460800, while the sum is 68.

The spelling of 1395056276987 in words is "one trillion, three hundred ninety-five billion, fifty-six million, two hundred seventy-six thousand, nine hundred eighty-seven".