49142693 has 4 divisors (see below), whose sum is σ = 49975680. Its totient is φ = 48309708.

The previous prime is 49142677. The next prime is 49142701. The reversal of 49142693 is 39624194.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39624194 = 2 ⋅19812097.

It is a cyclic number.

It is not a de Polignac number, because 49142693 - 2⁴ = 49142677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49142663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416405 + ... + 416522.

It is an arithmetic number, because the mean of its divisors is an integer number (12493920).

Almost surely, 2^49142693 is an apocalyptic number.

It is an amenable number.

49142693 is a deficient number, since it is larger than the sum of its proper divisors (832987).

49142693 is an equidigital number, since it uses as much as digits as its factorization.

49142693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832986.

The product of its digits is 46656, while the sum is 38.

The square root of 49142693 is about 7010.1849476316. The cubic root of 49142693 is about 366.2854358116.

The spelling of 49142693 in words is "forty-nine million, one hundred forty-two thousand, six hundred ninety-three".