420544350142379 has 2 divisors, whose sum is σ = 420544350142380. Its totient is φ = 420544350142378.

The previous prime is 420544350142373. The next prime is 420544350142417. The reversal of 420544350142379 is 973241053445024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420544350142379 - 2¹⁶ = 420544350076843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420544350142379.

It is not a weakly prime, because it can be changed into another prime (420544350142373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210272175071189 + 210272175071190.

It is an arithmetic number, because the mean of its divisors is an integer number (210272175071190).

Almost surely, 2^{420544350142379} is an apocalyptic number.

420544350142379 is a deficient number, since it is larger than the sum of its proper divisors (1).

420544350142379 is an equidigital number, since it uses as much as digits as its factorization.

420544350142379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 420544350142379 in words is "four hundred twenty trillion, five hundred forty-four billion, three hundred fifty million, one hundred forty-two thousand, three hundred seventy-nine".