49006063621 has 2 divisors, whose sum is σ = 49006063622. Its totient is φ = 49006063620.

The previous prime is 49006063609. The next prime is 49006063697. The reversal of 49006063621 is 12636060094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38812940100 + 10193123521 = 197010^2 + 100961^2 .

It is a cyclic number.

It is not a de Polignac number, because 49006063621 - 2⁷ = 49006063493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49006033621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24503031810 + 24503031811.

It is an arithmetic number, because the mean of its divisors is an integer number (24503031811).

Almost surely, 2^49006063621 is an apocalyptic number.

It is an amenable number.

49006063621 is a deficient number, since it is larger than the sum of its proper divisors (1).

49006063621 is an equidigital number, since it uses as much as digits as its factorization.

49006063621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 49006063621 in words is "forty-nine billion, six million, sixty-three thousand, six hundred twenty-one".