49151066633639 has 2 divisors, whose sum is σ = 49151066633640. Its totient is φ = 49151066633638.

The previous prime is 49151066633629. The next prime is 49151066633759. The reversal of 49151066633639 is 93633666015194.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49151066633639 - 2¹⁶ = 49151066568103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49151066633629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24575533316819 + 24575533316820.

It is an arithmetic number, because the mean of its divisors is an integer number (24575533316820).

Almost surely, 2^{49151066633639} is an apocalyptic number.

49151066633639 is a deficient number, since it is larger than the sum of its proper divisors (1).

49151066633639 is an equidigital number, since it uses as much as digits as its factorization.

49151066633639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56687040, while the sum is 62.

The spelling of 49151066633639 in words is "forty-nine trillion, one hundred fifty-one billion, sixty-six million, six hundred thirty-three thousand, six hundred thirty-nine".