49325408381 has 4 divisors (see below), whose sum is σ = 50528467164. Its totient is φ = 48122349600.

The previous prime is 49325408359. The next prime is 49325408401. The reversal of 49325408381 is 18380452394.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4236708100 + 45088700281 = 65090^2 + 212341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49325408381 is a prime.

It is a super-2 number, since 2×49325408381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49325408281) 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, 601529330 + ... + 601529411.

It is an arithmetic number, because the mean of its divisors is an integer number (12632116791).

Almost surely, 2^49325408381 is an apocalyptic number.

49325408381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49325408381 is a deficient number, since it is larger than the sum of its proper divisors (1203058783).

49325408381 is a wasteful number, since it uses less digits than its factorization.

49325408381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203058782.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 49325408381 in words is "forty-nine billion, three hundred twenty-five million, four hundred eight thousand, three hundred eighty-one".