3547378784345 has 8 divisors (see below), whose sum is σ = 4643841317760. Its totient is φ = 2579911843120.

The previous prime is 3547378784329. The next prime is 3547378784351. The reversal of 3547378784345 is 5434878737453.

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

It is not a de Polignac number, because 3547378784345 - 2⁴ = 3547378784329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32248897985 + ... + 32248898094.

It is an arithmetic number, because the mean of its divisors is an integer number (580480164720).

Almost surely, 2^{3547378784345} is an apocalyptic number.

It is an amenable number.

3547378784345 is a deficient number, since it is larger than the sum of its proper divisors (1096462533415).

3547378784345 is a wasteful number, since it uses less digits than its factorization.

3547378784345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64497796095.

The product of its digits is 948326400, while the sum is 68.

The spelling of 3547378784345 in words is "three trillion, five hundred forty-seven billion, three hundred seventy-eight million, seven hundred eighty-four thousand, three hundred forty-five".