1344707367381 has 48 divisors (see below), whose sum is σ = 2227695550080. Its totient is φ = 765687634560.

The previous prime is 1344707367343. The next prime is 1344707367383. The reversal of 1344707367381 is 1837637074431.

1344707367381 is a `hidden beast` number, since 1 + 34 + 470 + 7 + 3 + 67 + 3 + 81 = 666.

It is not a de Polignac number, because 1344707367381 - 2⁶ = 1344707367317 is a prime.

It is a super-2 number, since 2×1344707367381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344707367383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21431451 + ... + 21494103.

It is an arithmetic number, because the mean of its divisors is an integer number (46410323960).

Almost surely, 2^{1344707367381} is an apocalyptic number.

It is an amenable number.

1344707367381 is a deficient number, since it is larger than the sum of its proper divisors (882988182699).

1344707367381 is a wasteful number, since it uses less digits than its factorization.

1344707367381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63866 (or 63863 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 1344707367381 in words is "one trillion, three hundred forty-four billion, seven hundred seven million, three hundred sixty-seven thousand, three hundred eighty-one".