47642998093 has 2 divisors, whose sum is σ = 47642998094. Its totient is φ = 47642998092.

The previous prime is 47642998033. The next prime is 47642998099. The reversal of 47642998093 is 39089924674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45438038244 + 2204959849 = 213162^2 + 46957^2 .

It is a cyclic number.

It is not a de Polignac number, because 47642998093 - 2³³ = 39053063501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47642998099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23821499046 + 23821499047.

It is an arithmetic number, because the mean of its divisors is an integer number (23821499047).

Almost surely, 2^47642998093 is an apocalyptic number.

It is an amenable number.

47642998093 is a deficient number, since it is larger than the sum of its proper divisors (1).

47642998093 is an equidigital number, since it uses as much as digits as its factorization.

47642998093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 47642998093 in words is "forty-seven billion, six hundred forty-two million, nine hundred ninety-eight thousand, ninety-three".