1745887329061 has 2 divisors, whose sum is σ = 1745887329062. Its totient is φ = 1745887329060.

The previous prime is 1745887329023. The next prime is 1745887329071. The reversal of 1745887329061 is 1609237885471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1689789406561 + 56097922500 = 1299919^2 + 236850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745887329061 - 2²⁵ = 1745853774629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1745887329071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872943664530 + 872943664531.

It is an arithmetic number, because the mean of its divisors is an integer number (872943664531).

It is a 1-persistent number, because it is pandigital, but 2⋅1745887329061 = 3491774658122 is not.

Almost surely, 2^{1745887329061} is an apocalyptic number.

It is an amenable number.

1745887329061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745887329061 is an equidigital number, since it uses as much as digits as its factorization.

1745887329061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 1745887329061 in words is "one trillion, seven hundred forty-five billion, eight hundred eighty-seven million, three hundred twenty-nine thousand, sixty-one".