245121419401 has 2 divisors, whose sum is σ = 245121419402. Its totient is φ = 245121419400.

The previous prime is 245121419381. The next prime is 245121419449. The reversal of 245121419401 is 104914121542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182982895225 + 62138524176 = 427765^2 + 249276^2 .

It is a cyclic number.

It is not a de Polignac number, because 245121419401 - 2⁷ = 245121419273 is a prime.

It is not a weakly prime, because it can be changed into another prime (245121419201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122560709700 + 122560709701.

It is an arithmetic number, because the mean of its divisors is an integer number (122560709701).

Almost surely, 2^245121419401 is an apocalyptic number.

It is an amenable number.

245121419401 is a deficient number, since it is larger than the sum of its proper divisors (1).

245121419401 is an equidigital number, since it uses as much as digits as its factorization.

245121419401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 245121419401 in words is "two hundred forty-five billion, one hundred twenty-one million, four hundred nineteen thousand, four hundred one".