419979061 has 2 divisors, whose sum is σ = 419979062. Its totient is φ = 419979060.

The previous prime is 419979023. The next prime is 419979107. The reversal of 419979061 is 160979914.

It is an a-pointer prime, because the next prime (419979107) can be obtained adding 419979061 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222576561 + 197402500 = 14919^2 + 14050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419979061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419979361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209989530 + 209989531.

It is an arithmetic number, because the mean of its divisors is an integer number (209989531).

Almost surely, 2^419979061 is an apocalyptic number.

It is an amenable number.

419979061 is a deficient number, since it is larger than the sum of its proper divisors (1).

419979061 is an equidigital number, since it uses as much as digits as its factorization.

419979061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 419979061 is about 20493.3906662612. The cubic root of 419979061 is about 748.8747933167.

The spelling of 419979061 in words is "four hundred nineteen million, nine hundred seventy-nine thousand, sixty-one".