4550141331649 has 2 divisors, whose sum is σ = 4550141331650. Its totient is φ = 4550141331648.

The previous prime is 4550141331601. The next prime is 4550141331677. The reversal of 4550141331649 is 9461331410554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4410134401024 + 140006930625 = 2100032^2 + 374175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550141331649 - 2¹³ = 4550141323457 is a prime.

It is a super-2 number, since 2×4550141331649² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4550141331599 and 4550141331608.

It is not a weakly prime, because it can be changed into another prime (4550141331679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275070665824 + 2275070665825.

It is an arithmetic number, because the mean of its divisors is an integer number (2275070665825).

Almost surely, 2^{4550141331649} is an apocalyptic number.

It is an amenable number.

4550141331649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550141331649 is an equidigital number, since it uses as much as digits as its factorization.

4550141331649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 4550141331649 in words is "four trillion, five hundred fifty billion, one hundred forty-one million, three hundred thirty-one thousand, six hundred forty-nine".