146237271974993 has 2 divisors, whose sum is σ = 146237271974994. Its totient is φ = 146237271974992.

The previous prime is 146237271974953. The next prime is 146237271975007. The reversal of 146237271974993 is 399479172732641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105834569733649 + 40402702241344 = 10287593^2 + 6356312^2 .

It is a cyclic number.

It is not a de Polignac number, because 146237271974993 - 2²² = 146237267780689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146237271974993.

It is not a weakly prime, because it can be changed into another prime (146237271974923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73118635987496 + 73118635987497.

It is an arithmetic number, because the mean of its divisors is an integer number (73118635987497).

Almost surely, 2^{146237271974993} is an apocalyptic number.

It is an amenable number.

146237271974993 is a deficient number, since it is larger than the sum of its proper divisors (1).

146237271974993 is an equidigital number, since it uses as much as digits as its factorization.

146237271974993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864162432, while the sum is 74.

The spelling of 146237271974993 in words is "one hundred forty-six trillion, two hundred thirty-seven billion, two hundred seventy-one million, nine hundred seventy-four thousand, nine hundred ninety-three".