1234469644381 has 2 divisors, whose sum is σ = 1234469644382. Its totient is φ = 1234469644380.

The previous prime is 1234469644357. The next prime is 1234469644483. The reversal of 1234469644381 is 1834469644321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802038460356 + 432431184025 = 895566^2 + 657595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234469644381 - 2¹³ = 1234469636189 is a prime.

It is a super-2 number, since 2×1234469644381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234466644381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617234822190 + 617234822191.

It is an arithmetic number, because the mean of its divisors is an integer number (617234822191).

Almost surely, 2^{1234469644381} is an apocalyptic number.

It is an amenable number.

1234469644381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234469644381 is an equidigital number, since it uses as much as digits as its factorization.

1234469644381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 55.

The spelling of 1234469644381 in words is "one trillion, two hundred thirty-four billion, four hundred sixty-nine million, six hundred forty-four thousand, three hundred eighty-one".