1641375465299 has 2 divisors, whose sum is σ = 1641375465300. Its totient is φ = 1641375465298.

The previous prime is 1641375465281. The next prime is 1641375465349. The reversal of 1641375465299 is 9925645731461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641375465299 is a prime.

It is a super-2 number, since 2×1641375465299² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1641375465209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820687732649 + 820687732650.

It is an arithmetic number, because the mean of its divisors is an integer number (820687732650).

Almost surely, 2^{1641375465299} is an apocalyptic number.

1641375465299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641375465299 is an equidigital number, since it uses as much as digits as its factorization.

1641375465299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 62.

The spelling of 1641375465299 in words is "one trillion, six hundred forty-one billion, three hundred seventy-five million, four hundred sixty-five thousand, two hundred ninety-nine".