620153514955 has 8 divisors (see below), whose sum is σ = 801429157872. Its totient is φ = 457959518688.

The previous prime is 620153514949. The next prime is 620153514973. The reversal of 620153514955 is 559415351026.

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 620153514955 - 2¹¹ = 620153512907 is a prime.

It is a super-2 number, since 2×620153514955² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4770411589 + ... + 4770411718.

It is an arithmetic number, because the mean of its divisors is an integer number (100178644734).

Almost surely, 2^620153514955 is an apocalyptic number.

620153514955 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

620153514955 is a deficient number, since it is larger than the sum of its proper divisors (181275642917).

620153514955 is a wasteful number, since it uses less digits than its factorization.

620153514955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540823325.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 620153514955 in words is "six hundred twenty billion, one hundred fifty-three million, five hundred fourteen thousand, nine hundred fifty-five".