7671257446513 has 4 divisors (see below), whose sum is σ = 7671267937008. Its totient is φ = 7671246956020.

The previous prime is 7671257446487. The next prime is 7671257446529. The reversal of 7671257446513 is 3156447521767.

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 a de Polignac number, because none of the positive numbers 2^k-7671257446513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7671257446553) 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, 4058923 + ... + 5640688.

It is an arithmetic number, because the mean of its divisors is an integer number (1917816984252).

Almost surely, 2^{7671257446513} is an apocalyptic number.

It is an amenable number.

7671257446513 is a deficient number, since it is larger than the sum of its proper divisors (10490495).

7671257446513 is an equidigital number, since it uses as much as digits as its factorization.

7671257446513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490494.

The product of its digits is 29635200, while the sum is 58.

The spelling of 7671257446513 in words is "seven trillion, six hundred seventy-one billion, two hundred fifty-seven million, four hundred forty-six thousand, five hundred thirteen".