620273140261 has 4 divisors (see below), whose sum is σ = 620765812800. Its totient is φ = 619780467724.

The previous prime is 620273140259. The next prime is 620273140271. The reversal of 620273140261 is 162041372026.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620273140261 - 2¹ = 620273140259 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 (620273140271) 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, 246334381 + ... + 246336898.

It is an arithmetic number, because the mean of its divisors is an integer number (155191453200).

Almost surely, 2^620273140261 is an apocalyptic number.

It is an amenable number.

620273140261 is a deficient number, since it is larger than the sum of its proper divisors (492672539).

620273140261 is a wasteful number, since it uses less digits than its factorization.

620273140261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492672538.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 620273140261 in words is "six hundred twenty billion, two hundred seventy-three million, one hundred forty thousand, two hundred sixty-one".