620370507674553 has 4 divisors (see below), whose sum is σ = 827160676899408. Its totient is φ = 413580338449700.

The previous prime is 620370507674521. The next prime is 620370507674563. The reversal of 620370507674553 is 355476705073026.

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 620370507674553 - 2⁵ = 620370507674521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620370507674563) 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, 103395084612423 + ... + 103395084612428.

It is an arithmetic number, because the mean of its divisors is an integer number (206790169224852).

Almost surely, 2^{620370507674553} is an apocalyptic number.

It is an amenable number.

620370507674553 is a deficient number, since it is larger than the sum of its proper divisors (206790169224855).

620370507674553 is a wasteful number, since it uses less digits than its factorization.

620370507674553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206790169224854.

The product of its (nonzero) digits is 111132000, while the sum is 60.

The spelling of 620370507674553 in words is "six hundred twenty trillion, three hundred seventy billion, five hundred seven million, six hundred seventy-four thousand, five hundred fifty-three".