3651060140261 has 2 divisors, whose sum is σ = 3651060140262. Its totient is φ = 3651060140260.

The previous prime is 3651060140213. The next prime is 3651060140291. The reversal of 3651060140261 is 1620410601563.

3651060140261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3650506996900 + 553143361 = 1910630^2 + 23519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3651060140261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3651060140291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825530070130 + 1825530070131.

It is an arithmetic number, because the mean of its divisors is an integer number (1825530070131).

Almost surely, 2^{3651060140261} is an apocalyptic number.

It is an amenable number.

3651060140261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651060140261 is an equidigital number, since it uses as much as digits as its factorization.

3651060140261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 3651060140261 in words is "three trillion, six hundred fifty-one billion, sixty million, one hundred forty thousand, two hundred sixty-one".