35142456421 has 4 divisors (see below), whose sum is σ = 35214030144. Its totient is φ = 35070882700.

The previous prime is 35142456383. The next prime is 35142456439. The reversal of 35142456421 is 12465424153.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35142456421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35142456451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35786125 + ... + 35787106.

It is an arithmetic number, because the mean of its divisors is an integer number (8803507536).

Almost surely, 2^35142456421 is an apocalyptic number.

It is an amenable number.

35142456421 is a deficient number, since it is larger than the sum of its proper divisors (71573723).

35142456421 is an equidigital number, since it uses as much as digits as its factorization.

35142456421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71573722.

The product of its digits is 115200, while the sum is 37.

The spelling of 35142456421 in words is "thirty-five billion, one hundred forty-two million, four hundred fifty-six thousand, four hundred twenty-one".