7442662646 has 4 divisors (see below), whose sum is σ = 11163993972. Its totient is φ = 3721331322.

The previous prime is 7442662613. The next prime is 7442662649. The reversal of 7442662646 is 6462662447.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×7442662646³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7442662646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442662649) by changing a digit.

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 as a sum of consecutive naturals, namely, 1860665660 + ... + 1860665663.

It is an arithmetic number, because the mean of its divisors is an integer number (2790998493).

Almost surely, 2^7442662646 is an apocalyptic number.

7442662646 is a deficient number, since it is larger than the sum of its proper divisors (3721331326).

7442662646 is a wasteful number, since it uses less digits than its factorization.

7442662646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721331325.

The product of its digits is 2322432, while the sum is 47.

The square root of 7442662646 is about 86270.8678871379. The cubic root of 7442662646 is about 1952.4328736521.

The spelling of 7442662646 in words is "seven billion, four hundred forty-two million, six hundred sixty-two thousand, six hundred forty-six".