620152766253 has 6 divisors (see below), whose sum is σ = 895776217934. Its totient is φ = 413435177496.

The previous prime is 620152766249. The next prime is 620152766257. The reversal of 620152766253 is 352667251026.

620152766253 is a `hidden beast` number, since 6 + 2 + 0 + 15 + 2 + 7 + 6 + 625 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (620152766249) and next prime (620152766257).

It can be written as a sum of positive squares in only one way, i.e., 593151046569 + 27001719684 = 770163^2 + 164322^2 .

It is not a de Polignac number, because 620152766253 - 2² = 620152766249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620152766199 and 620152766208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620152766257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34452931450 + ... + 34452931467.

Almost surely, 2^620152766253 is an apocalyptic number.

It is an amenable number.

620152766253 is a deficient number, since it is larger than the sum of its proper divisors (275623451681).

620152766253 is a wasteful number, since it uses less digits than its factorization.

620152766253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68905862923 (or 68905862920 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 620152766253 in words is "six hundred twenty billion, one hundred fifty-two million, seven hundred sixty-six thousand, two hundred fifty-three".