620942645459 has 8 divisors (see below), whose sum is σ = 622234928880. Its totient is φ = 619651296000.

The previous prime is 620942645441. The next prime is 620942645483. The reversal of 620942645459 is 954546249026.

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 620942645459 - 2³⁶ = 552223168723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620942645159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105559 + ... + 1569759.

It is an arithmetic number, because the mean of its divisors is an integer number (77779366110).

Almost surely, 2^620942645459 is an apocalyptic number.

620942645459 is a deficient number, since it is larger than the sum of its proper divisors (1292283421).

620942645459 is a wasteful number, since it uses less digits than its factorization.

620942645459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466981.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 620942645459 in words is "six hundred twenty billion, nine hundred forty-two million, six hundred forty-five thousand, four hundred fifty-nine".