49046771251 has 4 divisors (see below), whose sum is σ = 49047884752. Its totient is φ = 49045657752.

The previous prime is 49046771219. The next prime is 49046771299. The reversal of 49046771251 is 15217764094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49046771251 - 2⁵ = 49046771219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49046771051) 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, 487836 + ... + 579721.

It is an arithmetic number, because the mean of its divisors is an integer number (12261971188).

Almost surely, 2^49046771251 is an apocalyptic number.

49046771251 is a deficient number, since it is larger than the sum of its proper divisors (1113501).

49046771251 is a wasteful number, since it uses less digits than its factorization.

49046771251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113500.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 49046771251 in words is "forty-nine billion, forty-six million, seven hundred seventy-one thousand, two hundred fifty-one".