1625723425741 has 2 divisors, whose sum is σ = 1625723425742. Its totient is φ = 1625723425740.

The previous prime is 1625723425721. The next prime is 1625723425757. The reversal of 1625723425741 is 1475243275261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1623149892841 + 2573532900 = 1274029^2 + 50730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625723425741 - 2⁹ = 1625723425229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625723425721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812861712870 + 812861712871.

It is an arithmetic number, because the mean of its divisors is an integer number (812861712871).

Almost surely, 2^{1625723425741} is an apocalyptic number.

It is an amenable number.

1625723425741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625723425741 is an equidigital number, since it uses as much as digits as its factorization.

1625723425741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 49.

The spelling of 1625723425741 in words is "one trillion, six hundred twenty-five billion, seven hundred twenty-three million, four hundred twenty-five thousand, seven hundred forty-one".