49842780913 has 16 divisors (see below), whose sum is σ = 55135261440. Its totient is φ = 44817473536.

The previous prime is 49842780893. The next prime is 49842780917. The reversal of 49842780913 is 31908724894.

It is a cyclic number.

It is not a de Polignac number, because 49842780913 - 2⁵ = 49842780881 is a prime.

It is a super-2 number, since 2×49842780913² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49842780917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252081 + ... + 404017.

It is an arithmetic number, because the mean of its divisors is an integer number (3445953840).

Almost surely, 2^49842780913 is an apocalyptic number.

It is an amenable number.

49842780913 is a deficient number, since it is larger than the sum of its proper divisors (5292480527).

49842780913 is a wasteful number, since it uses less digits than its factorization.

49842780913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152816.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 49842780913 in words is "forty-nine billion, eight hundred forty-two million, seven hundred eighty thousand, nine hundred thirteen".