1047438764495 has 8 divisors (see below), whose sum is σ = 1262463639984. Its totient is φ = 834259596544.

The previous prime is 1047438764413. The next prime is 1047438764503. The reversal of 1047438764495 is 5944678347401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047438764495 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461425634 + ... + 461427903.

It is an arithmetic number, because the mean of its divisors is an integer number (157807954998).

Almost surely, 2^{1047438764495} is an apocalyptic number.

1047438764495 is a deficient number, since it is larger than the sum of its proper divisors (215024875489).

1047438764495 is an equidigital number, since it uses as much as digits as its factorization.

1047438764495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922853769.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 1047438764495 in words is "one trillion, forty-seven billion, four hundred thirty-eight million, seven hundred sixty-four thousand, four hundred ninety-five".