49323780421 has 4 divisors (see below), whose sum is σ = 50914870144. Its totient is φ = 47732690700.

The previous prime is 49323780413. The next prime is 49323780463. The reversal of 49323780421 is 12408732394.

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: 12408732394 = 2 ⋅6204366197.

It is a cyclic number.

It is not a de Polignac number, because 49323780421 - 2³ = 49323780413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49323780521) 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, 795544815 + ... + 795544876.

It is an arithmetic number, because the mean of its divisors is an integer number (12728717536).

Almost surely, 2^49323780421 is an apocalyptic number.

It is an amenable number.

49323780421 is a deficient number, since it is larger than the sum of its proper divisors (1591089723).

49323780421 is a wasteful number, since it uses less digits than its factorization.

49323780421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591089722.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 49323780421 in words is "forty-nine billion, three hundred twenty-three million, seven hundred eighty thousand, four hundred twenty-one".