47457461749 has 8 divisors (see below), whose sum is σ = 50253692760. Its totient is φ = 44661743616.

The previous prime is 47457461741. The next prime is 47457461767. The reversal of 47457461749 is 94716475474.

It can be written as a sum of positive squares in 4 ways, for example, as 35967122500 + 11490339249 = 189650^2 + 107193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47457461749 - 2³ = 47457461741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47457461693 and 47457461702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47457461741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71167 + ... + 316195.

It is an arithmetic number, because the mean of its divisors is an integer number (6281711595).

Almost surely, 2^47457461749 is an apocalyptic number.

It is an amenable number.

47457461749 is a deficient number, since it is larger than the sum of its proper divisors (2796231011).

47457461749 is a wasteful number, since it uses less digits than its factorization.

47457461749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256439.

The product of its digits is 23708160, while the sum is 58.

The spelling of 47457461749 in words is "forty-seven billion, four hundred fifty-seven million, four hundred sixty-one thousand, seven hundred forty-nine".