49011378869387 has 16 divisors (see below), whose sum is σ = 54344950700544. Its totient is φ = 43824178932000.

The previous prime is 49011378869353. The next prime is 49011378869393. The reversal of 49011378869387 is 78396887311094.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49011378869387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49011378869287) 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, 24054062 + ... + 26011932.

It is an arithmetic number, because the mean of its divisors is an integer number (3396559418784).

Almost surely, 2^{49011378869387} is an apocalyptic number.

49011378869387 is a deficient number, since it is larger than the sum of its proper divisors (5333571831157).

49011378869387 is a wasteful number, since it uses less digits than its factorization.

49011378869387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995250.

The product of its (nonzero) digits is 438939648, while the sum is 74.

The spelling of 49011378869387 in words is "forty-nine trillion, eleven billion, three hundred seventy-eight million, eight hundred sixty-nine thousand, three hundred eighty-seven".