2071371654 has 72 divisors (see below), whose sum is σ = 4946157216. Its totient is φ = 626023200.

The previous prime is 2071371557. The next prime is 2071371667. The reversal of 2071371654 is 4561731702.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1003027 + ... + 1005089.

It is an arithmetic number, because the mean of its divisors is an integer number (68696628).

Almost surely, 2^2071371654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2071371654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473078608).

2071371654 is an abundant number, since it is smaller than the sum of its proper divisors (2874785562).

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

2071371654 is a wasteful number, since it uses less digits than its factorization.

2071371654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2071371654 is about 45512.3241990562. The cubic root of 2071371654 is about 1274.7333347732.

The spelling of 2071371654 in words is "two billion, seventy-one million, three hundred seventy-one thousand, six hundred fifty-four".