3971428654290 has 16 divisors (see below), whose sum is σ = 9531428770368. Its totient is φ = 1059047641136.

The previous prime is 3971428654253. The next prime is 3971428654313. The reversal of 3971428654290 is 924568241793.

It is a happy number.

3971428654290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3971428654290² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66190477542 + ... + 66190477601.

It is an arithmetic number, because the mean of its divisors is an integer number (595714298148).

It is a 1-persistent number, because it is pandigital, but 2⋅3971428654290 = 7942857308580 is not.

Almost surely, 2^{3971428654290} is an apocalyptic number.

3971428654290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3971428654290 is an abundant number, since it is smaller than the sum of its proper divisors (5560000116078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3971428654290 is a wasteful number, since it uses less digits than its factorization.

3971428654290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132380955153.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 3971428654290 in words is "three trillion, nine hundred seventy-one billion, four hundred twenty-eight million, six hundred fifty-four thousand, two hundred ninety".