73828974953 has 2 divisors, whose sum is σ = 73828974954. Its totient is φ = 73828974952.

The previous prime is 73828974917. The next prime is 73828974983. The reversal of 73828974953 is 35947982837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73817086249 + 11888704 = 271693^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 73828974953 - 2¹⁶ = 73828909417 is a prime.

It is a super-2 number, since 2×73828974953² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73828974953.

It is not a weakly prime, because it can be changed into another prime (73828974983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36914487476 + 36914487477.

It is an arithmetic number, because the mean of its divisors is an integer number (36914487477).

Almost surely, 2^73828974953 is an apocalyptic number.

It is an amenable number.

73828974953 is a deficient number, since it is larger than the sum of its proper divisors (1).

73828974953 is an equidigital number, since it uses as much as digits as its factorization.

73828974953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 65.

The spelling of 73828974953 in words is "seventy-three billion, eight hundred twenty-eight million, nine hundred seventy-four thousand, nine hundred fifty-three".