193055151354257 has 2 divisors, whose sum is σ = 193055151354258. Its totient is φ = 193055151354256.

The previous prime is 193055151354217. The next prime is 193055151354293. The reversal of 193055151354257 is 752453151550391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193053350964496 + 1800389761 = 13894364^2 + 42431^2 .

It is a cyclic number.

It is not a de Polignac number, because 193055151354257 - 2²⁰ = 193055150305681 is a prime.

It is a super-2 number, since 2×193055151354257² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (193055151354217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96527575677128 + 96527575677129.

It is an arithmetic number, because the mean of its divisors is an integer number (96527575677129).

Almost surely, 2^{193055151354257} is an apocalyptic number.

It is an amenable number.

193055151354257 is a deficient number, since it is larger than the sum of its proper divisors (1).

193055151354257 is an equidigital number, since it uses as much as digits as its factorization.

193055151354257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175000, while the sum is 56.

The spelling of 193055151354257 in words is "one hundred ninety-three trillion, fifty-five billion, one hundred fifty-one million, three hundred fifty-four thousand, two hundred fifty-seven".