2071662633401 has 2 divisors, whose sum is σ = 2071662633402. Its totient is φ = 2071662633400.

The previous prime is 2071662633347. The next prime is 2071662633419. The reversal of 2071662633401 is 1043362661702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2029553541376 + 42109092025 = 1424624^2 + 205205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071662633401 is a prime.

It is a super-3 number, since 3×2071662633401³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2071662633301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035831316700 + 1035831316701.

It is an arithmetic number, because the mean of its divisors is an integer number (1035831316701).

Almost surely, 2^{2071662633401} is an apocalyptic number.

It is an amenable number.

2071662633401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071662633401 is an equidigital number, since it uses as much as digits as its factorization.

2071662633401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 2071662633401 in words is "two trillion, seventy-one billion, six hundred sixty-two million, six hundred thirty-three thousand, four hundred one".