4071019948729 has 4 divisors (see below), whose sum is σ = 4072036944976. Its totient is φ = 4070002952484.

The previous prime is 4071019948717. The next prime is 4071019948739. The reversal of 4071019948729 is 9278499101704.

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 not a de Polignac number, because 4071019948729 - 2²¹ = 4071017851577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4071019948739) 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, 508492119 + ... + 508500124.

It is an arithmetic number, because the mean of its divisors is an integer number (1018009236244).

Almost surely, 2^{4071019948729} is an apocalyptic number.

It is an amenable number.

4071019948729 is a deficient number, since it is larger than the sum of its proper divisors (1016996247).

4071019948729 is a wasteful number, since it uses less digits than its factorization.

4071019948729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016996246.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 4071019948729 in words is "four trillion, seventy-one billion, nineteen million, nine hundred forty-eight thousand, seven hundred twenty-nine".