464263649 has 2 divisors, whose sum is σ = 464263650. Its totient is φ = 464263648.

The previous prime is 464263633. The next prime is 464263663. The reversal of 464263649 is 946362464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264550225 + 199713424 = 16265^2 + 14132^2 .

It is a cyclic number.

It is not a de Polignac number, because 464263649 - 2⁴ = 464263633 is a prime.

It is not a weakly prime, because it can be changed into another prime (464263549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232131824 + 232131825.

It is an arithmetic number, because the mean of its divisors is an integer number (232131825).

Almost surely, 2^464263649 is an apocalyptic number.

It is an amenable number.

464263649 is a deficient number, since it is larger than the sum of its proper divisors (1).

464263649 is an equidigital number, since it uses as much as digits as its factorization.

464263649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 44.

The square root of 464263649 is about 21546.7781582305. The cubic root of 464263649 is about 774.3219315050.

The spelling of 464263649 in words is "four hundred sixty-four million, two hundred sixty-three thousand, six hundred forty-nine".