49424563531 has 4 divisors (see below), whose sum is σ = 56485215472. Its totient is φ = 42363911592.

The previous prime is 49424563477. The next prime is 49424563537. The reversal of 49424563531 is 13536542494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13536542494 = 2 ⋅6768271247.

It is a cyclic number.

It is not a de Polignac number, because 49424563531 - 2¹³ = 49424555339 is a prime.

It is a super-2 number, since 2×49424563531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49424563537) 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, 3530325960 + ... + 3530325973.

It is an arithmetic number, because the mean of its divisors is an integer number (14121303868).

Almost surely, 2^49424563531 is an apocalyptic number.

49424563531 is a deficient number, since it is larger than the sum of its proper divisors (7060651941).

49424563531 is an equidigital number, since it uses as much as digits as its factorization.

49424563531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060651940.

The product of its digits is 1555200, while the sum is 46.

The spelling of 49424563531 in words is "forty-nine billion, four hundred twenty-four million, five hundred sixty-three thousand, five hundred thirty-one".