1305630141979 has 2 divisors, whose sum is σ = 1305630141980. Its totient is φ = 1305630141978.

The previous prime is 1305630141971. The next prime is 1305630142007. The reversal of 1305630141979 is 9791410365031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1305630141979 - 2³ = 1305630141971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305630141971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652815070989 + 652815070990.

It is an arithmetic number, because the mean of its divisors is an integer number (652815070990).

Almost surely, 2^{1305630141979} is an apocalyptic number.

1305630141979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305630141979 is an equidigital number, since it uses as much as digits as its factorization.

1305630141979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 1305630141979 in words is "one trillion, three hundred five billion, six hundred thirty million, one hundred forty-one thousand, nine hundred seventy-nine".