1625255032619 has 2 divisors, whose sum is σ = 1625255032620. Its totient is φ = 1625255032618.

The previous prime is 1625255032543. The next prime is 1625255032627. The reversal of 1625255032619 is 9162305525261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1625255032619 - 2⁴⁰ = 525743404843 is a prime.

It is a super-2 number, since 2×1625255032619² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1625255032679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812627516309 + 812627516310.

It is an arithmetic number, because the mean of its divisors is an integer number (812627516310).

Almost surely, 2^{1625255032619} is an apocalyptic number.

1625255032619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625255032619 is an equidigital number, since it uses as much as digits as its factorization.

1625255032619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1625255032619 in words is "one trillion, six hundred twenty-five billion, two hundred fifty-five million, thirty-two thousand, six hundred nineteen".