3451643516744 has 8 divisors (see below), whose sum is σ = 6471831593910. Its totient is φ = 1725821758368.

The previous prime is 3451643516701. The next prime is 3451643516747. The reversal of 3451643516744 is 4476153461543.

It can be written as a sum of positive squares in only one way, i.e., 3450194800900 + 1448715844 = 1857470^2 + 38062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3451643516747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215727719789 + ... + 215727719804.

Almost surely, 2^{3451643516744} is an apocalyptic number.

It is an amenable number.

3451643516744 is a deficient number, since it is larger than the sum of its proper divisors (3020188077166).

3451643516744 is a wasteful number, since it uses less digits than its factorization.

3451643516744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431455439599 (or 431455439595 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 53.

The spelling of 3451643516744 in words is "three trillion, four hundred fifty-one billion, six hundred forty-three million, five hundred sixteen thousand, seven hundred forty-four".