49215249487 has 2 divisors, whose sum is σ = 49215249488. Its totient is φ = 49215249486.

The previous prime is 49215249431. The next prime is 49215249497. The reversal of 49215249487 is 78494251294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49215249487 - 2¹⁵ = 49215216719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49215249497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24607624743 + 24607624744.

It is an arithmetic number, because the mean of its divisors is an integer number (24607624744).

Almost surely, 2^49215249487 is an apocalyptic number.

49215249487 is a deficient number, since it is larger than the sum of its proper divisors (1).

49215249487 is an equidigital number, since it uses as much as digits as its factorization.

49215249487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 55.

The spelling of 49215249487 in words is "forty-nine billion, two hundred fifteen million, two hundred forty-nine thousand, four hundred eighty-seven".