3405047100847 has 4 divisors (see below), whose sum is σ = 3891482400976. Its totient is φ = 2918611800720.

The previous prime is 3405047100781. The next prime is 3405047100857. The reversal of 3405047100847 is 7480017405043.

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

It is not a de Polignac number, because 3405047100847 - 2¹⁹ = 3405046576559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405047100857) 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, 243217650054 + ... + 243217650067.

It is an arithmetic number, because the mean of its divisors is an integer number (972870600244).

Almost surely, 2^{3405047100847} is an apocalyptic number.

3405047100847 is a deficient number, since it is larger than the sum of its proper divisors (486435300129).

3405047100847 is an equidigital number, since it uses as much as digits as its factorization.

3405047100847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486435300128.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 3405047100847 in words is "three trillion, four hundred five billion, forty-seven million, one hundred thousand, eight hundred forty-seven".