7144428650 has 12 divisors (see below), whose sum is σ = 13288637382. Its totient is φ = 2857771440.

The previous prime is 7144428623. The next prime is 7144428677. The reversal of 7144428650 is 568244417.

It is an interprime number because it is at equal distance from previous prime (7144428623) and next prime (7144428677).

It can be written as a sum of positive squares in 3 ways, for example, as 6651544249 + 492884401 = 81557^2 + 22201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7144428598 and 7144428607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71444237 + ... + 71444336.

Almost surely, 2^7144428650 is an apocalyptic number.

7144428650 is a deficient number, since it is larger than the sum of its proper divisors (6144208732).

7144428650 is a wasteful number, since it uses less digits than its factorization.

7144428650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142888585 (or 142888580 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 7144428650 is about 84524.7221231753. The cubic root of 7144428650 is about 1925.9980117567.

The spelling of 7144428650 in words is "seven billion, one hundred forty-four million, four hundred twenty-eight thousand, six hundred fifty".