1367455403861 has 2 divisors, whose sum is σ = 1367455403862. Its totient is φ = 1367455403860.

The previous prime is 1367455403807. The next prime is 1367455403863. The reversal of 1367455403861 is 1683045547631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858530111761 + 508925292100 = 926569^2 + 713390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1367455403861 - 2²⁶ = 1367388294997 is a prime.

It is a super-2 number, since 2×1367455403861² (a number of 25 digits) contains 22 as substring.

Together with 1367455403863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1367455403863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683727701930 + 683727701931.

It is an arithmetic number, because the mean of its divisors is an integer number (683727701931).

Almost surely, 2^{1367455403861} is an apocalyptic number.

It is an amenable number.

1367455403861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367455403861 is an equidigital number, since it uses as much as digits as its factorization.

1367455403861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 1367455403861 in words is "one trillion, three hundred sixty-seven billion, four hundred fifty-five million, four hundred three thousand, eight hundred sixty-one".