464249551 has 2 divisors, whose sum is σ = 464249552. Its totient is φ = 464249550.

The previous prime is 464249509. The next prime is 464249557. The reversal of 464249551 is 155942464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 464249551 - 2¹³ = 464241359 is a prime.

It is equal to p_24567628 and since 464249551 and 24567628 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464249557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232124775 + 232124776.

It is an arithmetic number, because the mean of its divisors is an integer number (232124776).

Almost surely, 2^464249551 is an apocalyptic number.

464249551 is a deficient number, since it is larger than the sum of its proper divisors (1).

464249551 is an equidigital number, since it uses as much as digits as its factorization.

464249551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 464249551 is about 21546.4510070684. The cubic root of 464249551 is about 774.3140936445.

The spelling of 464249551 in words is "four hundred sixty-four million, two hundred forty-nine thousand, five hundred fifty-one".