3971354266590 has 64 divisors (see below), whose sum is σ = 10041783148800. Its totient is φ = 1002400683264.

The previous prime is 3971354266547. The next prime is 3971354266591. The reversal of 3971354266590 is 956624531793.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971354266591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442072 + ... + 3729131.

It is an arithmetic number, because the mean of its divisors is an integer number (156902861700).

Almost surely, 2^{3971354266590} is an apocalyptic number.

3971354266590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3971354266590 is an abundant number, since it is smaller than the sum of its proper divisors (6070428882210).

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

3971354266590 is a wasteful number, since it uses less digits than its factorization.

3971354266590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172361.

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 3971354266590 in words is "three trillion, nine hundred seventy-one billion, three hundred fifty-four million, two hundred sixty-six thousand, five hundred ninety".