7628944351 has 16 divisors (see below), whose sum is σ = 8853291328. Its totient is φ = 6438528000.

The previous prime is 7628944343. The next prime is 7628944417. The reversal of 7628944351 is 1534498267.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7628944351 - 2³ = 7628944343 is a prime.

It is a super-2 number, since 2×7628944351² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7628944295 and 7628944304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628944331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294691 + ... + 319531.

It is an arithmetic number, because the mean of its divisors is an integer number (553330708).

Almost surely, 2^7628944351 is an apocalyptic number.

7628944351 is a deficient number, since it is larger than the sum of its proper divisors (1224346977).

7628944351 is a wasteful number, since it uses less digits than its factorization.

7628944351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25522.

The product of its digits is 1451520, while the sum is 49.

The square root of 7628944351 is about 87343.8283509488. The cubic root of 7628944351 is about 1968.5879194211.

The spelling of 7628944351 in words is "seven billion, six hundred twenty-eight million, nine hundred forty-four thousand, three hundred fifty-one".