620152755451 has 2 divisors, whose sum is σ = 620152755452. Its totient is φ = 620152755450.

The previous prime is 620152755403. The next prime is 620152755487. The reversal of 620152755451 is 154557251026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620152755451 - 2²³ = 620144366843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620152755398 and 620152755407.

It is not a weakly prime, because it can be changed into another prime (620152755151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310076377725 + 310076377726.

It is an arithmetic number, because the mean of its divisors is an integer number (310076377726).

Almost surely, 2^620152755451 is an apocalyptic number.

620152755451 is a deficient number, since it is larger than the sum of its proper divisors (1).

620152755451 is an equidigital number, since it uses as much as digits as its factorization.

620152755451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 620152755451 in words is "six hundred twenty billion, one hundred fifty-two million, seven hundred fifty-five thousand, four hundred fifty-one".