620134651335451 has 16 divisors (see below), whose sum is σ = 727803498240000. Its totient is φ = 517360316300640.

The previous prime is 620134651335373. The next prime is 620134651335461. The reversal of 620134651335451 is 154533156431026.

It is a cyclic number.

It is not a de Polignac number, because 620134651335451 - 2¹⁷ = 620134651204379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620134651335395 and 620134651335404.

It is not an unprimeable number, because it can be changed into a prime (620134651335461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206867951 + ... + 5206987048.

It is an arithmetic number, because the mean of its divisors is an integer number (45487718640000).

Almost surely, 2^{620134651335451} is an apocalyptic number.

620134651335451 is a deficient number, since it is larger than the sum of its proper divisors (107668846904549).

620134651335451 is a wasteful number, since it uses less digits than its factorization.

620134651335451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413855234.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 620134651335451 in words is "six hundred twenty trillion, one hundred thirty-four billion, six hundred fifty-one million, three hundred thirty-five thousand, four hundred fifty-one".