49628451409 has 2 divisors, whose sum is σ = 49628451410. Its totient is φ = 49628451408.

The previous prime is 49628451371. The next prime is 49628451427. The reversal of 49628451409 is 90415482694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47234502225 + 2393949184 = 217335^2 + 48928^2 .

It is a cyclic number.

It is not a de Polignac number, because 49628451409 - 2¹³ = 49628443217 is a prime.

It is not a weakly prime, because it can be changed into another prime (49628451449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24814225704 + 24814225705.

It is an arithmetic number, because the mean of its divisors is an integer number (24814225705).

Almost surely, 2^49628451409 is an apocalyptic number.

It is an amenable number.

49628451409 is a deficient number, since it is larger than the sum of its proper divisors (1).

49628451409 is an equidigital number, since it uses as much as digits as its factorization.

49628451409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 49628451409 in words is "forty-nine billion, six hundred twenty-eight million, four hundred fifty-one thousand, four hundred nine".