2071421677 has 12 divisors (see below), whose sum is σ = 2246274940. Its totient is φ = 1910112360.

The previous prime is 2071421659. The next prime is 2071421683. The reversal of 2071421677 is 7761241702.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 76370121 + 1995051556 = 8739^2 + 44666^2 .

It is not a de Polignac number, because 2071421677 - 2²⁷ = 1937203949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071421617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2132802 + ... + 2133772.

Almost surely, 2^2071421677 is an apocalyptic number.

It is an amenable number.

2071421677 is a deficient number, since it is larger than the sum of its proper divisors (174853263).

2071421677 is an frugal number, since it uses more digits than its factorization.

2071421677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 2071421677 is about 45512.8737501819. The cubic root of 2071421677 is about 1274.7435961656.

The spelling of 2071421677 in words is "two billion, seventy-one million, four hundred twenty-one thousand, six hundred seventy-seven".