4000367454649 has 2 divisors, whose sum is σ = 4000367454650. Its totient is φ = 4000367454648.

The previous prime is 4000367454539. The next prime is 4000367454701. The reversal of 4000367454649 is 9464547630004.

It is an a-pointer prime, because the next prime (4000367454701) can be obtained adding 4000367454649 to its sum of digits (52).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3859385979024 + 140981475625 = 1964532^2 + 375475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000367454649 - 2³³ = 3991777520057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000367454596 and 4000367454605.

It is not a weakly prime, because it can be changed into another prime (4000367454749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000183727324 + 2000183727325.

It is an arithmetic number, because the mean of its divisors is an integer number (2000183727325).

Almost surely, 2^{4000367454649} is an apocalyptic number.

It is an amenable number.

4000367454649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000367454649 is an equidigital number, since it uses as much as digits as its factorization.

4000367454649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 4000367454649 in words is "four trillion, three hundred sixty-seven million, four hundred fifty-four thousand, six hundred forty-nine".