3973887960429 has 4 divisors (see below), whose sum is σ = 5298517280576. Its totient is φ = 2649258640284.

The previous prime is 3973887960403. The next prime is 3973887960439. The reversal of 3973887960429 is 9240697883793.

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 3973887960429 - 2¹⁷ = 3973887829357 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 (3973887960439) 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, 662314660069 + ... + 662314660074.

It is an arithmetic number, because the mean of its divisors is an integer number (1324629320144).

Almost surely, 2^{3973887960429} is an apocalyptic number.

It is an amenable number.

3973887960429 is a deficient number, since it is larger than the sum of its proper divisors (1324629320147).

3973887960429 is a wasteful number, since it uses less digits than its factorization.

3973887960429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324629320146.

The product of its (nonzero) digits is 987614208, while the sum is 75.

The spelling of 3973887960429 in words is "three trillion, nine hundred seventy-three billion, eight hundred eighty-seven million, nine hundred sixty thousand, four hundred twenty-nine".