7428397601 has 4 divisors (see below), whose sum is σ = 7431448212. Its totient is φ = 7425346992.

The previous prime is 7428397597. The next prime is 7428397657. The reversal of 7428397601 is 1067938247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6077761600 + 1350636001 = 77960^2 + 36751^2 .

It is a cyclic number.

It is not a de Polignac number, because 7428397601 - 2² = 7428397597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428397201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521650 + ... + 1526523.

It is an arithmetic number, because the mean of its divisors is an integer number (1857862053).

Almost surely, 2^7428397601 is an apocalyptic number.

It is an amenable number.

7428397601 is a deficient number, since it is larger than the sum of its proper divisors (3050611).

7428397601 is a wasteful number, since it uses less digits than its factorization.

7428397601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050610.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 7428397601 is about 86188.1523238548. The cubic root of 7428397601 is about 1951.1846933046.

The spelling of 7428397601 in words is "seven billion, four hundred twenty-eight million, three hundred ninety-seven thousand, six hundred one".