620653241183 has 4 divisors (see below), whose sum is σ = 620657408088. Its totient is φ = 620649074280.

The previous prime is 620653241161. The next prime is 620653241191. The reversal of 620653241183 is 381142356026.

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 620653241183 - 2²⁸ = 620384805727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620653241183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620653241113) 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, 1851416 + ... + 2160797.

It is an arithmetic number, because the mean of its divisors is an integer number (155164352022).

Almost surely, 2^620653241183 is an apocalyptic number.

620653241183 is a deficient number, since it is larger than the sum of its proper divisors (4166905).

620653241183 is a wasteful number, since it uses less digits than its factorization.

620653241183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166904.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 620653241183 in words is "six hundred twenty billion, six hundred fifty-three million, two hundred forty-one thousand, one hundred eighty-three".