947051545747 has 4 divisors (see below), whose sum is σ = 953864866360. Its totient is φ = 940238225136.

The previous prime is 947051545729. The next prime is 947051545771. The reversal of 947051545747 is 747545150749.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 947051545747 - 2⁷ = 947051545619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947051545691 and 947051545700.

It is not an unprimeable number, because it can be changed into a prime (947051545787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406660098 + ... + 3406660375.

It is an arithmetic number, because the mean of its divisors is an integer number (238466216590).

Almost surely, 2^947051545747 is an apocalyptic number.

947051545747 is a deficient number, since it is larger than the sum of its proper divisors (6813320613).

947051545747 is a wasteful number, since it uses less digits than its factorization.

947051545747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813320612.

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 947051545747 in words is "nine hundred forty-seven billion, fifty-one million, five hundred forty-five thousand, seven hundred forty-seven".