4006641400051 has 2 divisors, whose sum is σ = 4006641400052. Its totient is φ = 4006641400050.

The previous prime is 4006641400049. The next prime is 4006641400079. The reversal of 4006641400051 is 1500041466004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4006641400051 - 2¹ = 4006641400049 is a prime.

Together with 4006641400049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4006641399986 and 4006641400022.

It is not a weakly prime, because it can be changed into another prime (4006641400451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003320700025 + 2003320700026.

It is an arithmetic number, because the mean of its divisors is an integer number (2003320700026).

Almost surely, 2^{4006641400051} is an apocalyptic number.

4006641400051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006641400051 is an equidigital number, since it uses as much as digits as its factorization.

4006641400051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 4006641400051 its reverse (1500041466004), we get a palindrome (5506682866055).

The spelling of 4006641400051 in words is "four trillion, six billion, six hundred forty-one million, four hundred thousand, fifty-one".