1641277048319 has 2 divisors, whose sum is σ = 1641277048320. Its totient is φ = 1641277048318.

The previous prime is 1641277048231. The next prime is 1641277048349. The reversal of 1641277048319 is 9138407721461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641277048319 - 2⁸ = 1641277048063 is a prime.

It is a super-2 number, since 2×1641277048319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641277048349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820638524159 + 820638524160.

It is an arithmetic number, because the mean of its divisors is an integer number (820638524160).

Almost surely, 2^{1641277048319} is an apocalyptic number.

1641277048319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641277048319 is an equidigital number, since it uses as much as digits as its factorization.

1641277048319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 1641277048319 in words is "one trillion, six hundred forty-one billion, two hundred seventy-seven million, forty-eight thousand, three hundred nineteen".