421002135435354 has 32 divisors (see below), whose sum is σ = 918710953251840. Its totient is φ = 127554065847600.

The previous prime is 421002135435317. The next prime is 421002135435421. The reversal of 421002135435354 is 453534531200124.

It is a super-2 number, since 2×421002135435354² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558090964 + ... + 558844815.

It is an arithmetic number, because the mean of its divisors is an integer number (28709717289120).

Almost surely, 2^{421002135435354} is an apocalyptic number.

421002135435354 is an abundant number, since it is smaller than the sum of its proper divisors (497708817816486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421002135435354 is a wasteful number, since it uses less digits than its factorization.

421002135435354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116941506.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 421002135435354 its reverse (453534531200124), we get a palindrome (874536666635478).

The spelling of 421002135435354 in words is "four hundred twenty-one trillion, two billion, one hundred thirty-five million, four hundred thirty-five thousand, three hundred fifty-four".