7621849245 has 8 divisors (see below), whose sum is σ = 12194958816. Its totient is φ = 4064986256.

The previous prime is 7621849237. The next prime is 7621849267. The reversal of 7621849245 is 5429481267.

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 7621849245 - 2³ = 7621849237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7621849194 and 7621849203.

It is a congruent 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, 254061627 + ... + 254061656.

It is an arithmetic number, because the mean of its divisors is an integer number (1524369852).

Almost surely, 2^7621849245 is an apocalyptic number.

It is an amenable number.

7621849245 is a deficient number, since it is larger than the sum of its proper divisors (4573109571).

7621849245 is a wasteful number, since it uses less digits than its factorization.

7621849245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508123291.

The product of its digits is 967680, while the sum is 48.

The square root of 7621849245 is about 87303.2029481164. The cubic root of 7621849245 is about 1967.9774517275.

The spelling of 7621849245 in words is "seven billion, six hundred twenty-one million, eight hundred forty-nine thousand, two hundred forty-five".