1625414342623 has 2 divisors, whose sum is σ = 1625414342624. Its totient is φ = 1625414342622.

The previous prime is 1625414342593. The next prime is 1625414342641. The reversal of 1625414342623 is 3262434145261.

It is a strong prime.

It is an emirp because it is prime and its reverse (3262434145261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625414342623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1625414342623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625414342683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812707171311 + 812707171312.

It is an arithmetic number, because the mean of its divisors is an integer number (812707171312).

Almost surely, 2^{1625414342623} is an apocalyptic number.

1625414342623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625414342623 is an equidigital number, since it uses as much as digits as its factorization.

1625414342623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

Adding to 1625414342623 its reverse (3262434145261), we get a palindrome (4887848487884).

The spelling of 1625414342623 in words is "one trillion, six hundred twenty-five billion, four hundred fourteen million, three hundred forty-two thousand, six hundred twenty-three".