1425722551349 has 2 divisors, whose sum is σ = 1425722551350. Its totient is φ = 1425722551348.

The previous prime is 1425722551339. The next prime is 1425722551381. The reversal of 1425722551349 is 9431552275241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390760283025 + 34962268324 = 1179305^2 + 186982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425722551349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1425722551297 and 1425722551306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425722551339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712861275674 + 712861275675.

It is an arithmetic number, because the mean of its divisors is an integer number (712861275675).

Almost surely, 2^{1425722551349} is an apocalyptic number.

It is an amenable number.

1425722551349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425722551349 is an equidigital number, since it uses as much as digits as its factorization.

1425722551349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 50.

The spelling of 1425722551349 in words is "one trillion, four hundred twenty-five billion, seven hundred twenty-two million, five hundred fifty-one thousand, three hundred forty-nine".