3436501856947 has 4 divisors (see below), whose sum is σ = 3440153825856. Its totient is φ = 3432849888040.

The previous prime is 3436501856933. The next prime is 3436501857001. The reversal of 3436501856947 is 7496581056343.

It is a happy number.

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 3436501856947 - 2¹⁹ = 3436501332659 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3436501856917) 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, 1825983043 + ... + 1825984924.

It is an arithmetic number, because the mean of its divisors is an integer number (860038456464).

Almost surely, 2^{3436501856947} is an apocalyptic number.

3436501856947 is a deficient number, since it is larger than the sum of its proper divisors (3651968909).

3436501856947 is an equidigital number, since it uses as much as digits as its factorization.

3436501856947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651968908.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 3436501856947 in words is "three trillion, four hundred thirty-six billion, five hundred one million, eight hundred fifty-six thousand, nine hundred forty-seven".