7428642955 has 8 divisors (see below), whose sum is σ = 8919634752. Its totient is φ = 5939405568.

The previous prime is 7428642919. The next prime is 7428642979. The reversal of 7428642955 is 5592468247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7428642955 - 2⁹ = 7428642443 is a prime.

It is a super-2 number, since 2×7428642955² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429267 + ... + 446236.

It is an arithmetic number, because the mean of its divisors is an integer number (1114954344).

Almost surely, 2^7428642955 is an apocalyptic number.

7428642955 is a deficient number, since it is larger than the sum of its proper divisors (1490991797).

7428642955 is a wasteful number, since it uses less digits than its factorization.

7428642955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877205.

The product of its digits is 4838400, while the sum is 52.

The square root of 7428642955 is about 86189.5756747880. The cubic root of 7428642955 is about 1951.2061750887.

The spelling of 7428642955 in words is "seven billion, four hundred twenty-eight million, six hundred forty-two thousand, nine hundred fifty-five".