1613671067947 has 2 divisors, whose sum is σ = 1613671067948. Its totient is φ = 1613671067946.

The previous prime is 1613671067923. The next prime is 1613671068017. The reversal of 1613671067947 is 7497601763161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613671067947 is a prime.

It is a super-2 number, since 2×1613671067947² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1613671067891 and 1613671067900.

It is not a weakly prime, because it can be changed into another prime (1613671067147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806835533973 + 806835533974.

It is an arithmetic number, because the mean of its divisors is an integer number (806835533974).

Almost surely, 2^{1613671067947} is an apocalyptic number.

1613671067947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613671067947 is an equidigital number, since it uses as much as digits as its factorization.

1613671067947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 1613671067947 in words is "one trillion, six hundred thirteen billion, six hundred seventy-one million, sixty-seven thousand, nine hundred forty-seven".