1625352770633 has 2 divisors, whose sum is σ = 1625352770634. Its totient is φ = 1625352770632.

The previous prime is 1625352770611. The next prime is 1625352770663. The reversal of 1625352770633 is 3360772535261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617279388729 + 8073381904 = 1271723^2 + 89852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625352770633 - 2²² = 1625348576329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1625352770603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812676385316 + 812676385317.

It is an arithmetic number, because the mean of its divisors is an integer number (812676385317).

Almost surely, 2^{1625352770633} is an apocalyptic number.

It is an amenable number.

1625352770633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625352770633 is an equidigital number, since it uses as much as digits as its factorization.

1625352770633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 1625352770633 in words is "one trillion, six hundred twenty-five billion, three hundred fifty-two million, seven hundred seventy thousand, six hundred thirty-three".