420150306439 has 2 divisors, whose sum is σ = 420150306440. Its totient is φ = 420150306438.

The previous prime is 420150306319. The next prime is 420150306451. The reversal of 420150306439 is 934603051024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420150306439 - 2³¹ = 418002822791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420150306398 and 420150306407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420150406439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210075153219 + 210075153220.

It is an arithmetic number, because the mean of its divisors is an integer number (210075153220).

Almost surely, 2^420150306439 is an apocalyptic number.

420150306439 is a deficient number, since it is larger than the sum of its proper divisors (1).

420150306439 is an equidigital number, since it uses as much as digits as its factorization.

420150306439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 420150306439 in words is "four hundred twenty billion, one hundred fifty million, three hundred six thousand, four hundred thirty-nine".