1425730376377 has 2 divisors, whose sum is σ = 1425730376378. Its totient is φ = 1425730376376.

The previous prime is 1425730376351. The next prime is 1425730376407. The reversal of 1425730376377 is 7736730375241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048287251881 + 377443124496 = 1023859^2 + 614364^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425730376377 - 2²³ = 1425721987769 is a prime.

It is a super-2 number, since 2×1425730376377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425730376177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712865188188 + 712865188189.

It is an arithmetic number, because the mean of its divisors is an integer number (712865188189).

Almost surely, 2^{1425730376377} is an apocalyptic number.

It is an amenable number.

1425730376377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425730376377 is an equidigital number, since it uses as much as digits as its factorization.

1425730376377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15558480, while the sum is 55.

The spelling of 1425730376377 in words is "one trillion, four hundred twenty-five billion, seven hundred thirty million, three hundred seventy-six thousand, three hundred seventy-seven".