3448640627057 has 4 divisors (see below), whose sum is σ = 3448969486656. Its totient is φ = 3448311767460.

The previous prime is 3448640627023. The next prime is 3448640627063. The reversal of 3448640627057 is 7507260468443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3448640627057 - 2⁶ = 3448640626993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3448640626993 and 3448640627011.

It is not an unprimeable number, because it can be changed into a prime (3448640647057) 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, 164414069 + ... + 164435042.

It is an arithmetic number, because the mean of its divisors is an integer number (862242371664).

Almost surely, 2^{3448640627057} is an apocalyptic number.

It is an amenable number.

3448640627057 is a deficient number, since it is larger than the sum of its proper divisors (328859599).

3448640627057 is a wasteful number, since it uses less digits than its factorization.

3448640627057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328859598.

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 3448640627057 in words is "three trillion, four hundred forty-eight billion, six hundred forty million, six hundred twenty-seven thousand, fifty-seven".