49147351745757 has 4 divisors (see below), whose sum is σ = 65529802327680. Its totient is φ = 32764901163836.

The previous prime is 49147351745749. The next prime is 49147351745897. The reversal of 49147351745757 is 75754715374194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49147351745757 - 2³ = 49147351745749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49147351745691 and 49147351745700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49147351705757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8191225290957 + ... + 8191225290962.

It is an arithmetic number, because the mean of its divisors is an integer number (16382450581920).

Almost surely, 2^{49147351745757} is an apocalyptic number.

It is an amenable number.

49147351745757 is a deficient number, since it is larger than the sum of its proper divisors (16382450581923).

49147351745757 is a wasteful number, since it uses less digits than its factorization.

49147351745757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382450581922.

The product of its digits is 518616000, while the sum is 69.

The spelling of 49147351745757 in words is "forty-nine trillion, one hundred forty-seven billion, three hundred fifty-one million, seven hundred forty-five thousand, seven hundred fifty-seven".