47494640093 has 2 divisors, whose sum is σ = 47494640094. Its totient is φ = 47494640092.

The previous prime is 47494640051. The next prime is 47494640101. The reversal of 47494640093 is 39004649474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45046666564 + 2447973529 = 212242^2 + 49477^2 .

It is a cyclic number.

It is not a de Polignac number, because 47494640093 - 2⁶ = 47494640029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47494640033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23747320046 + 23747320047.

It is an arithmetic number, because the mean of its divisors is an integer number (23747320047).

Almost surely, 2^47494640093 is an apocalyptic number.

It is an amenable number.

47494640093 is a deficient number, since it is larger than the sum of its proper divisors (1).

47494640093 is an equidigital number, since it uses as much as digits as its factorization.

47494640093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 47494640093 in words is "forty-seven billion, four hundred ninety-four million, six hundred forty thousand, ninety-three".