620501100437 has 2 divisors, whose sum is σ = 620501100438. Its totient is φ = 620501100436.

The previous prime is 620501100419. The next prime is 620501100467. The reversal of 620501100437 is 734001105026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609085032721 + 11416067716 = 780439^2 + 106846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620501100437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620501100467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310250550218 + 310250550219.

It is an arithmetic number, because the mean of its divisors is an integer number (310250550219).

Almost surely, 2^620501100437 is an apocalyptic number.

It is an amenable number.

620501100437 is a deficient number, since it is larger than the sum of its proper divisors (1).

620501100437 is an equidigital number, since it uses as much as digits as its factorization.

620501100437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 620501100437 in words is "six hundred twenty billion, five hundred one million, one hundred thousand, four hundred thirty-seven".