4021430349142 has 4 divisors (see below), whose sum is σ = 6032145523716. Its totient is φ = 2010715174570.

The previous prime is 4021430349133. The next prime is 4021430349143. The reversal of 4021430349142 is 2419430341204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021430349143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005357587284 + ... + 1005357587287.

It is an arithmetic number, because the mean of its divisors is an integer number (1508036380929).

Almost surely, 2^{4021430349142} is an apocalyptic number.

4021430349142 is a deficient number, since it is larger than the sum of its proper divisors (2010715174574).

4021430349142 is a wasteful number, since it uses less digits than its factorization.

4021430349142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010715174573.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 4021430349142 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-nine thousand, one hundred forty-two".