361620407614261 has 2 divisors, whose sum is σ = 361620407614262. Its totient is φ = 361620407614260.

The previous prime is 361620407614231. The next prime is 361620407614303. The reversal of 361620407614261 is 162416704026163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361400440986225 + 219966628036 = 19010535^2 + 469006^2 .

It is a cyclic number.

It is not a de Polignac number, because 361620407614261 - 2²¹ = 361620405517109 is a prime.

It is a super-2 number, since 2×361620407614261² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361620407614201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180810203807130 + 180810203807131.

It is an arithmetic number, because the mean of its divisors is an integer number (180810203807131).

Almost surely, 2^{361620407614261} is an apocalyptic number.

It is an amenable number.

361620407614261 is a deficient number, since it is larger than the sum of its proper divisors (1).

361620407614261 is an equidigital number, since it uses as much as digits as its factorization.

361620407614261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 361620407614261 in words is "three hundred sixty-one trillion, six hundred twenty billion, four hundred seven million, six hundred fourteen thousand, two hundred sixty-one".