455101949 has 2 divisors, whose sum is σ = 455101950. Its totient is φ = 455101948.

The previous prime is 455101939. The next prime is 455101973. The reversal of 455101949 is 949101554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328696900 + 126405049 = 18130^2 + 11243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455101949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455101909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227550974 + 227550975.

It is an arithmetic number, because the mean of its divisors is an integer number (227550975).

Almost surely, 2^455101949 is an apocalyptic number.

It is an amenable number.

455101949 is a deficient number, since it is larger than the sum of its proper divisors (1).

455101949 is an equidigital number, since it uses as much as digits as its factorization.

455101949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 455101949 is about 21333.1185952734. The cubic root of 455101949 is about 769.1946090574.

The spelling of 455101949 in words is "four hundred fifty-five million, one hundred one thousand, nine hundred forty-nine".