245200253553349 has 2 divisors, whose sum is σ = 245200253553350. Its totient is φ = 245200253553348.

The previous prime is 245200253553287. The next prime is 245200253553511. The reversal of 245200253553349 is 943355352002542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218848529860900 + 26351723692449 = 14793530^2 + 5133393^2 .

It is a cyclic number.

It is not a de Polignac number, because 245200253553349 - 2²¹ = 245200251456197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245200253553296 and 245200253553305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245200253550349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122600126776674 + 122600126776675.

It is an arithmetic number, because the mean of its divisors is an integer number (122600126776675).

Almost surely, 2^{245200253553349} is an apocalyptic number.

It is an amenable number.

245200253553349 is a deficient number, since it is larger than the sum of its proper divisors (1).

245200253553349 is an equidigital number, since it uses as much as digits as its factorization.

245200253553349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 245200253553349 in words is "two hundred forty-five trillion, two hundred billion, two hundred fifty-three million, five hundred fifty-three thousand, three hundred forty-nine".