3501001345657 has 4 divisors (see below), whose sum is σ = 3621725530020. Its totient is φ = 3380277161296.

The previous prime is 3501001345637. The next prime is 3501001345687. The reversal of 3501001345657 is 7565431001053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1968664354281 + 1532336991376 = 1403091^2 + 1237876^2 .

It is not a de Polignac number, because 3501001345657 - 2¹⁵ = 3501001312889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3501001345637) 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, 60362092138 + ... + 60362092195.

It is an arithmetic number, because the mean of its divisors is an integer number (905431382505).

Almost surely, 2^{3501001345657} is an apocalyptic number.

It is an amenable number.

3501001345657 is a deficient number, since it is larger than the sum of its proper divisors (120724184363).

3501001345657 is a wasteful number, since it uses less digits than its factorization.

3501001345657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120724184362.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 3501001345657 in words is "three trillion, five hundred one billion, one million, three hundred forty-five thousand, six hundred fifty-seven".