7428670551 has 6 divisors (see below), whose sum is σ = 10730301920. Its totient is φ = 4952447028.

The previous prime is 7428670541. The next prime is 7428670577. The reversal of 7428670551 is 1550768247.

7428670551 is a `hidden beast` number, since 7 + 4 + 28 + 6 + 70 + 551 = 666.

It is not a de Polignac number, because 7428670551 - 2¹¹ = 7428668503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7428670497 and 7428670506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428670541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412703911 + ... + 412703928.

Almost surely, 2^7428670551 is an apocalyptic number.

7428670551 is a deficient number, since it is larger than the sum of its proper divisors (3301631369).

7428670551 is a wasteful number, since it uses less digits than its factorization.

7428670551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825407845 (or 825407842 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 7428670551 is about 86189.7357636047. The cubic root of 7428670551 is about 1951.2085912060.

The spelling of 7428670551 in words is "seven billion, four hundred twenty-eight million, six hundred seventy thousand, five hundred fifty-one".