7641423464 has 8 divisors (see below), whose sum is σ = 14327669010. Its totient is φ = 3820711728.

The previous prime is 7641423463. The next prime is 7641423467. The reversal of 7641423464 is 4643241467.

It can be written as a sum of positive squares in only one way, i.e., 5744124100 + 1897299364 = 75790^2 + 43558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7641423463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477588959 + ... + 477588974.

Almost surely, 2^7641423464 is an apocalyptic number.

It is an amenable number.

7641423464 is a deficient number, since it is larger than the sum of its proper divisors (6686245546).

7641423464 is a wasteful number, since it uses less digits than its factorization.

7641423464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955177939 (or 955177935 counting only the distinct ones).

The product of its digits is 387072, while the sum is 41.

The square root of 7641423464 is about 87415.2358802514. The cubic root of 7641423464 is about 1969.6607130396.

The spelling of 7641423464 in words is "seven billion, six hundred forty-one million, four hundred twenty-three thousand, four hundred sixty-four".