45971810449 has 4 divisors (see below), whose sum is σ = 48391379440. Its totient is φ = 43552241460.

The previous prime is 45971810407. The next prime is 45971810459. The reversal of 45971810449 is 94401817954.

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 45971810449 - 2¹⁵ = 45971777681 is a prime.

It is a super-2 number, since 2×45971810449² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45971810396 and 45971810405.

It is not an unprimeable number, because it can be changed into a prime (45971810459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209784467 + ... + 1209784504.

It is an arithmetic number, because the mean of its divisors is an integer number (12097844860).

Almost surely, 2^45971810449 is an apocalyptic number.

It is an amenable number.

45971810449 is a deficient number, since it is larger than the sum of its proper divisors (2419568991).

45971810449 is a wasteful number, since it uses less digits than its factorization.

45971810449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419568990.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 45971810449 in words is "forty-five billion, nine hundred seventy-one million, eight hundred ten thousand, four hundred forty-nine".