7819472601625 has 16 divisors (see below), whose sum is σ = 9781881686928. Its totient is φ = 6240719184000.

The previous prime is 7819472601601. The next prime is 7819472601667. The reversal of 7819472601625 is 5261062749187.

It can be written as a sum of positive squares in 8 ways, for example, as 2404022341081 + 5415450260544 = 1550491^2 + 2327112^2 .

It is not a de Polignac number, because 7819472601625 - 2⁹ = 7819472601113 is a prime.

It is a super-2 number, since 2×7819472601625² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7819472601625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74241652 + ... + 74346901.

It is an arithmetic number, because the mean of its divisors is an integer number (611367605433).

Almost surely, 2^{7819472601625} is an apocalyptic number.

It is an amenable number.

7819472601625 is a deficient number, since it is larger than the sum of its proper divisors (1962409085303).

7819472601625 is a wasteful number, since it uses less digits than its factorization.

7819472601625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148588989 (or 148588979 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 7819472601625 in words is "seven trillion, eight hundred nineteen billion, four hundred seventy-two million, six hundred one thousand, six hundred twenty-five".