7811213687483 has 2 divisors, whose sum is σ = 7811213687484. Its totient is φ = 7811213687482.

The previous prime is 7811213687471. The next prime is 7811213687521. The reversal of 7811213687483 is 3847863121187.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7811213687483 - 2⁴ = 7811213687467 is a prime.

It is a super-2 number, since 2×7811213687483² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7811213687083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905606843741 + 3905606843742.

It is an arithmetic number, because the mean of its divisors is an integer number (3905606843742).

Almost surely, 2^{7811213687483} is an apocalyptic number.

7811213687483 is a deficient number, since it is larger than the sum of its proper divisors (1).

7811213687483 is an equidigital number, since it uses as much as digits as its factorization.

7811213687483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 59.

The spelling of 7811213687483 in words is "seven trillion, eight hundred eleven billion, two hundred thirteen million, six hundred eighty-seven thousand, four hundred eighty-three".