245199901433 has 2 divisors, whose sum is σ = 245199901434. Its totient is φ = 245199901432.

The previous prime is 245199901403. The next prime is 245199901517. The reversal of 245199901433 is 334109991542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167474922169 + 77724979264 = 409237^2 + 278792^2 .

It is a cyclic number.

It is not a de Polignac number, because 245199901433 - 2¹² = 245199897337 is a prime.

It is not a weakly prime, because it can be changed into another prime (245199901403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122599950716 + 122599950717.

It is an arithmetic number, because the mean of its divisors is an integer number (122599950717).

Almost surely, 2^245199901433 is an apocalyptic number.

It is an amenable number.

245199901433 is a deficient number, since it is larger than the sum of its proper divisors (1).

245199901433 is an equidigital number, since it uses as much as digits as its factorization.

245199901433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 245199901433 in words is "two hundred forty-five billion, one hundred ninety-nine million, nine hundred one thousand, four hundred thirty-three".