1500445946387 has 2 divisors, whose sum is σ = 1500445946388. Its totient is φ = 1500445946386.

The previous prime is 1500445946357. The next prime is 1500445946413. The reversal of 1500445946387 is 7836495440051.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1500445946387 - 2¹² = 1500445942291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1500445946347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750222973193 + 750222973194.

It is an arithmetic number, because the mean of its divisors is an integer number (750222973194).

Almost surely, 2^{1500445946387} is an apocalyptic number.

1500445946387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500445946387 is an equidigital number, since it uses as much as digits as its factorization.

1500445946387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 1500445946387 in words is "one trillion, five hundred billion, four hundred forty-five million, nine hundred forty-six thousand, three hundred eighty-seven".