7620813143 has 4 divisors (see below), whose sum is σ = 7745744568. Its totient is φ = 7495881720.

The previous prime is 7620813107. The next prime is 7620813149. The reversal of 7620813143 is 3413180267.

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

It is a cyclic number.

It is not a de Polignac number, because 7620813143 - 2¹⁸ = 7620550999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620813149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62465621 + ... + 62465742.

It is an arithmetic number, because the mean of its divisors is an integer number (1936436142).

Almost surely, 2^7620813143 is an apocalyptic number.

7620813143 is a deficient number, since it is larger than the sum of its proper divisors (124931425).

7620813143 is a wasteful number, since it uses less digits than its factorization.

7620813143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124931424.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7620813143 is about 87297.2688175295. The cubic root of 7620813143 is about 1967.8882731170. Note that the first 3 decimals are identical.

The spelling of 7620813143 in words is "seven billion, six hundred twenty million, eight hundred thirteen thousand, one hundred forty-three".