434542016104021 has 4 divisors (see below), whose sum is σ = 496619446976032. Its totient is φ = 372464585232012.

The previous prime is 434542016103967. The next prime is 434542016104061. The reversal of 434542016104021 is 120401610245434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 434542016104021 - 2⁷ = 434542016103893 is a prime.

It is a super-2 number, since 2×434542016104021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434542016104061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31038715435995 + ... + 31038715436008.

It is an arithmetic number, because the mean of its divisors is an integer number (124154861744008).

Almost surely, 2^{434542016104021} is an apocalyptic number.

It is an amenable number.

434542016104021 is a deficient number, since it is larger than the sum of its proper divisors (62077430872011).

434542016104021 is an equidigital number, since it uses as much as digits as its factorization.

434542016104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62077430872010.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 434542016104021 its reverse (120401610245434), we get a palindrome (554943626349455).

The spelling of 434542016104021 in words is "four hundred thirty-four trillion, five hundred forty-two billion, sixteen million, one hundred four thousand, twenty-one".