45951394673 has 4 divisors (see below), whose sum is σ = 46013575920. Its totient is φ = 45889213428.

The previous prime is 45951394661. The next prime is 45951394693. The reversal of 45951394673 is 37649315954.

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: 37649315954 = 2 ⋅18824657977.

It is a cyclic number.

It is not a de Polignac number, because 45951394673 - 2¹² = 45951390577 is a prime.

It is a super-3 number, since 3×45951394673³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45951394613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31089515 + ... + 31090992.

It is an arithmetic number, because the mean of its divisors is an integer number (11503393980).

Almost surely, 2^45951394673 is an apocalyptic number.

It is an amenable number.

45951394673 is a deficient number, since it is larger than the sum of its proper divisors (62181247).

45951394673 is an equidigital number, since it uses as much as digits as its factorization.

45951394673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62181246.

The product of its digits is 12247200, while the sum is 56.

The spelling of 45951394673 in words is "forty-five billion, nine hundred fifty-one million, three hundred ninety-four thousand, six hundred seventy-three".