3407994856947 has 8 divisors (see below), whose sum is σ = 4546168351120. Its totient is φ = 2270908967040.

The previous prime is 3407994856943. The next prime is 3407994856991. The reversal of 3407994856947 is 7496584997043.

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

It is not a de Polignac number, because 3407994856947 - 2² = 3407994856943 is a prime.

It is a super-2 number, since 2×3407994856947² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3407994856943) by changing a digit.

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, 271893754 + ... + 271906287.

It is an arithmetic number, because the mean of its divisors is an integer number (568271043890).

Almost surely, 2^{3407994856947} is an apocalyptic number.

3407994856947 is a deficient number, since it is larger than the sum of its proper divisors (1138173494173).

3407994856947 is a wasteful number, since it uses less digits than its factorization.

3407994856947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543802133.

The product of its (nonzero) digits is 1646023680, while the sum is 75.

The spelling of 3407994856947 in words is "three trillion, four hundred seven billion, nine hundred ninety-four million, eight hundred fifty-six thousand, nine hundred forty-seven".