47460949442 has 4 divisors (see below), whose sum is σ = 71191424166. Its totient is φ = 23730474720.

The previous prime is 47460949441. The next prime is 47460949457. The reversal of 47460949442 is 24494906474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24494906474 = 2 ⋅12247453237.

It can be written as a sum of positive squares in only one way, i.e., 31755596401 + 15705353041 = 178201^2 + 125321^2 .

It is a super-2 number, since 2×47460949442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47460949441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11865237359 + ... + 11865237362.

Almost surely, 2^47460949442 is an apocalyptic number.

47460949442 is a deficient number, since it is larger than the sum of its proper divisors (23730474724).

47460949442 is a wasteful number, since it uses less digits than its factorization.

47460949442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730474723.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 47460949442 in words is "forty-seven billion, four hundred sixty million, nine hundred forty-nine thousand, four hundred forty-two".