2071400643746 has 16 divisors (see below), whose sum is σ = 3593755335744. Its totient is φ = 877047432144.

The previous prime is 2071400643721. The next prime is 2071400643749. The reversal of 2071400643746 is 6473460041702.

It is a super-2 number, since 2×2071400643746² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2071400643697 and 2071400643706.

It is not an unprimeable number, because it can be changed into a prime (2071400643749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891307205 + ... + 891309528.

It is an arithmetic number, because the mean of its divisors is an integer number (224609708484).

Almost surely, 2^{2071400643746} is an apocalyptic number.

2071400643746 is a deficient number, since it is larger than the sum of its proper divisors (1522354691998).

2071400643746 is a wasteful number, since it uses less digits than its factorization.

2071400643746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782616825.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 2071400643746 in words is "two trillion, seventy-one billion, four hundred million, six hundred forty-three thousand, seven hundred forty-six".