7645641626 has 8 divisors (see below), whose sum is σ = 13106814240. Its totient is φ = 3276703548.

The previous prime is 7645641599. The next prime is 7645641709. The reversal of 7645641626 is 6261465467.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273058616 + ... + 273058643.

It is an arithmetic number, because the mean of its divisors is an integer number (1638351780).

Almost surely, 2^7645641626 is an apocalyptic number.

7645641626 is a deficient number, since it is larger than the sum of its proper divisors (5461172614).

7645641626 is a wasteful number, since it uses less digits than its factorization.

7645641626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546117268.

The product of its digits is 1451520, while the sum is 47.

The square root of 7645641626 is about 87439.3597071708. The cubic root of 7645641626 is about 1970.0230722130.

The spelling of 7645641626 in words is "seven billion, six hundred forty-five million, six hundred forty-one thousand, six hundred twenty-six".