7081957631459 has 16 divisors (see below), whose sum is σ = 7700183129088. Its totient is φ = 6488117056512.

The previous prime is 7081957631431. The next prime is 7081957631467. The reversal of 7081957631459 is 9541367591807.

It is a cyclic number.

It is not a de Polignac number, because 7081957631459 - 2¹⁶ = 7081957565923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7081957631395 and 7081957631404.

It is not an unprimeable number, because it can be changed into a prime (7081957651459) 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, 30830882 + ... + 31059735.

It is an arithmetic number, because the mean of its divisors is an integer number (481261445568).

Almost surely, 2^{7081957631459} is an apocalyptic number.

7081957631459 is a deficient number, since it is larger than the sum of its proper divisors (618225497629).

7081957631459 is a wasteful number, since it uses less digits than its factorization.

7081957631459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61890814.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 7081957631459 in words is "seven trillion, eighty-one billion, nine hundred fifty-seven million, six hundred thirty-one thousand, four hundred fifty-nine".