9762425621 has 8 divisors (see below), whose sum is σ = 10514885304. Its totient is φ = 9010180800.

The previous prime is 9762425573. The next prime is 9762425633. The reversal of 9762425621 is 1265242679.

9762425621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4762380100 + 5000045521 = 69010^2 + 70711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9762425621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9762424621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47771 + ... + 147671.

It is an arithmetic number, because the mean of its divisors is an integer number (1314360663).

Almost surely, 2^9762425621 is an apocalyptic number.

It is an amenable number.

9762425621 is a deficient number, since it is larger than the sum of its proper divisors (752459683).

9762425621 is a wasteful number, since it uses less digits than its factorization.

9762425621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107431.

The product of its digits is 362880, while the sum is 44.

The square root of 9762425621 is about 98804.9878346230. The cubic root of 9762425621 is about 2137.2364844417.

The spelling of 9762425621 in words is "nine billion, seven hundred sixty-two million, four hundred twenty-five thousand, six hundred twenty-one".