49248302981 has 4 divisors (see below), whose sum is σ = 49249593600. Its totient is φ = 49247012364.

The previous prime is 49248302963. The next prime is 49248303007. The reversal of 49248302981 is 18920384294.

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.

It is a cyclic number.

It is not a de Polignac number, because 49248302981 - 2³⁰ = 48174561157 is a prime.

It is a super-2 number, since 2×49248302981² (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 (49248302921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586271 + ... + 664988.

It is an arithmetic number, because the mean of its divisors is an integer number (12312398400).

Almost surely, 2^49248302981 is an apocalyptic number.

It is an amenable number.

49248302981 is a deficient number, since it is larger than the sum of its proper divisors (1290619).

49248302981 is a wasteful number, since it uses less digits than its factorization.

49248302981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290618.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 49248302981 in words is "forty-nine billion, two hundred forty-eight million, three hundred two thousand, nine hundred eighty-one".