464545909551 has 32 divisors (see below), whose sum is σ = 653879992320. Its totient is φ = 292982976000.

The previous prime is 464545909549. The next prime is 464545909571. The reversal of 464545909551 is 155909545464.

It is not a de Polignac number, because 464545909551 - 2¹ = 464545909549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 464545909491 and 464545909500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464545909571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429031 + ... + 1055063.

It is an arithmetic number, because the mean of its divisors is an integer number (20433749760).

Almost surely, 2^464545909551 is an apocalyptic number.

464545909551 is a deficient number, since it is larger than the sum of its proper divisors (189334082769).

464545909551 is a wasteful number, since it uses less digits than its factorization.

464545909551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626247.

The product of its (nonzero) digits is 19440000, while the sum is 57.

The spelling of 464545909551 in words is "four hundred sixty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred fifty-one".