1464899081 has 2 divisors, whose sum is σ = 1464899082. Its totient is φ = 1464899080.

The previous prime is 1464899021. The next prime is 1464899089. The reversal of 1464899081 is 1809984641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318851856 + 146047225 = 36316^2 + 12085^2 .

It is an emirp because it is prime and its reverse (1809984641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1464899081 - 2¹⁸ = 1464636937 is a prime.

It is a super-2 number, since 2×1464899081² = 4291858635029289122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1464899089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732449540 + 732449541.

It is an arithmetic number, because the mean of its divisors is an integer number (732449541).

Almost surely, 2^1464899081 is an apocalyptic number.

It is an amenable number.

1464899081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1464899081 is an equidigital number, since it uses as much as digits as its factorization.

1464899081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 1464899081 is about 38274.0000653185. Note that the first 4 decimals coincide. The cubic root of 1464899081 is about 1135.7146698031.

The spelling of 1464899081 in words is "one billion, four hundred sixty-four million, eight hundred ninety-nine thousand, eighty-one".