47294672749 has 4 divisors (see below), whose sum is σ = 47296902240. Its totient is φ = 47292443260.

The previous prime is 47294672743. The next prime is 47294672791. The reversal of 47294672749 is 94727649274.

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: 94727649274 = 2 ⋅47363824637.

It is a cyclic number.

It is not a de Polignac number, because 47294672749 - 2¹⁷ = 47294541677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47294672743) 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, 1082617 + ... + 1125454.

It is an arithmetic number, because the mean of its divisors is an integer number (11824225560).

Almost surely, 2^47294672749 is an apocalyptic number.

It is an amenable number.

47294672749 is a deficient number, since it is larger than the sum of its proper divisors (2229491).

47294672749 is a wasteful number, since it uses less digits than its factorization.

47294672749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229490.

The product of its digits is 42674688, while the sum is 61.

The spelling of 47294672749 in words is "forty-seven billion, two hundred ninety-four million, six hundred seventy-two thousand, seven hundred forty-nine".