3451065641 has 4 divisors (see below), whose sum is σ = 3470132484. Its totient is φ = 3431998800.

The previous prime is 3451065623. The next prime is 3451065661. The reversal of 3451065641 is 1465601543.

3451065641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1465601543 = 7 ⋅209371649.

It can be written as a sum of positive squares in 2 ways, for example, as 633579241 + 2817486400 = 25171^2 + 53080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451065641 - 2¹⁴ = 3451049257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451065601) 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, 9533150 + ... + 9533511.

It is an arithmetic number, because the mean of its divisors is an integer number (867533121).

Almost surely, 2^3451065641 is an apocalyptic number.

It is an amenable number.

3451065641 is a deficient number, since it is larger than the sum of its proper divisors (19066843).

3451065641 is a wasteful number, since it uses less digits than its factorization.

3451065641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19066842.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3451065641 is about 58745.7712605767. The cubic root of 3451065641 is about 1511.1853682209.

The spelling of 3451065641 in words is "three billion, four hundred fifty-one million, sixty-five thousand, six hundred forty-one".