1617207601043 has 2 divisors, whose sum is σ = 1617207601044. Its totient is φ = 1617207601042.

The previous prime is 1617207601019. The next prime is 1617207601081. The reversal of 1617207601043 is 3401067027161.

It is an a-pointer prime, because the next prime (1617207601081) can be obtained adding 1617207601043 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1617207601043 - 2²⁶ = 1617140492179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1617207600988 and 1617207601006.

It is not a weakly prime, because it can be changed into another prime (1617207681043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808603800521 + 808603800522.

It is an arithmetic number, because the mean of its divisors is an integer number (808603800522).

Almost surely, 2^{1617207601043} is an apocalyptic number.

1617207601043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617207601043 is an equidigital number, since it uses as much as digits as its factorization.

1617207601043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 1617207601043 in words is "one trillion, six hundred seventeen billion, two hundred seven million, six hundred one thousand, forty-three".