49215249379 has 2 divisors, whose sum is σ = 49215249380. Its totient is φ = 49215249378.

The previous prime is 49215249331. The next prime is 49215249403. The reversal of 49215249379 is 97394251294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49215249379 - 2¹¹ = 49215247331 is a prime.

It is not a weakly prime, because it can be changed into another prime (49215243379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24607624689 + 24607624690.

It is an arithmetic number, because the mean of its divisors is an integer number (24607624690).

Almost surely, 2^49215249379 is an apocalyptic number.

49215249379 is a deficient number, since it is larger than the sum of its proper divisors (1).

49215249379 is an equidigital number, since it uses as much as digits as its factorization.

49215249379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The spelling of 49215249379 in words is "forty-nine billion, two hundred fifteen million, two hundred forty-nine thousand, three hundred seventy-nine".