2661350141 has 2 divisors, whose sum is σ = 2661350142. Its totient is φ = 2661350140.

The previous prime is 2661350099. The next prime is 2661350143. The reversal of 2661350141 is 1410531662.

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., 2405510116 + 255840025 = 49046^2 + 15995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661350141 - 2¹⁴ = 2661333757 is a prime.

It is a Sophie Germain prime.

Together with 2661350143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2661350143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330675070 + 1330675071.

It is an arithmetic number, because the mean of its divisors is an integer number (1330675071).

Almost surely, 2^2661350141 is an apocalyptic number.

It is an amenable number.

2661350141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661350141 is an equidigital number, since it uses as much as digits as its factorization.

2661350141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2661350141 is about 51588.2752280012. The cubic root of 2661350141 is about 1385.8003673265.

The spelling of 2661350141 in words is "two billion, six hundred sixty-one million, three hundred fifty thousand, one hundred forty-one".