7071646741257 has 16 divisors (see below), whose sum is σ = 10775891348480. Its totient is φ = 4040922734352.

The previous prime is 7071646741219. The next prime is 7071646741259. The reversal of 7071646741257 is 7521476461707.

It is a happy number.

It is not a de Polignac number, because 7071646741257 - 2¹⁶ = 7071646675721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7071646741197 and 7071646741206.

It is not an unprimeable number, because it can be changed into a prime (7071646741259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5017458 + ... + 6270420.

It is an arithmetic number, because the mean of its divisors is an integer number (673493209280).

Almost surely, 2^{7071646741257} is an apocalyptic number.

It is an amenable number.

7071646741257 is a deficient number, since it is larger than the sum of its proper divisors (3704244607223).

7071646741257 is a wasteful number, since it uses less digits than its factorization.

7071646741257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521732.

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 7071646741257 in words is "seven trillion, seventy-one billion, six hundred forty-six million, seven hundred forty-one thousand, two hundred fifty-seven".