420503351442434 has 32 divisors (see below), whose sum is σ = 696378822589296. Its totient is φ = 189198861281280.

The previous prime is 420503351442431. The next prime is 420503351442437. The reversal of 420503351442434 is 434244153305024.

It is an interprime number because it is at equal distance from previous prime (420503351442431) and next prime (420503351442437).

It can be written as a sum of positive squares in 8 ways, for example, as 133987639541809 + 286515711900625 = 11575303^2 + 16926775^2 .

It is not an unprimeable number, because it can be changed into a prime (420503351442431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150686957 + ... + 153452160.

Almost surely, 2^{420503351442434} is an apocalyptic number.

420503351442434 is a deficient number, since it is larger than the sum of its proper divisors (275875471146862).

420503351442434 is a wasteful number, since it uses less digits than its factorization.

420503351442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304140470.

The product of its (nonzero) digits is 2764800, while the sum is 44.

The spelling of 420503351442434 in words is "four hundred twenty trillion, five hundred three billion, three hundred fifty-one million, four hundred forty-two thousand, four hundred thirty-four".