7863429029947 has 2 divisors, whose sum is σ = 7863429029948. Its totient is φ = 7863429029946.

The previous prime is 7863429029891. The next prime is 7863429030049. The reversal of 7863429029947 is 7499209243687.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7863429029947 - 2³¹ = 7861281546299 is a prime.

It is a super-2 number, since 2×7863429029947² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7863429027947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931714514973 + 3931714514974.

It is an arithmetic number, because the mean of its divisors is an integer number (3931714514974).

Almost surely, 2^{7863429029947} is an apocalyptic number.

7863429029947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7863429029947 is an equidigital number, since it uses as much as digits as its factorization.

7863429029947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 7863429029947 in words is "seven trillion, eight hundred sixty-three billion, four hundred twenty-nine million, twenty-nine thousand, nine hundred forty-seven".