609956154481 has 48 divisors (see below), whose sum is σ = 698572163520. Its totient is φ = 530824320000.

The previous prime is 609956154461. The next prime is 609956154491. The reversal of 609956154481 is 184451659906.

It is not a de Polignac number, because 609956154481 - 2⁵ = 609956154449 is a prime.

It is a super-2 number, since 2×609956154481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609956154461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43871631 + ... + 43885531.

It is an arithmetic number, because the mean of its divisors is an integer number (14553586740).

Almost surely, 2^609956154481 is an apocalyptic number.

609956154481 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

609956154481 is a deficient number, since it is larger than the sum of its proper divisors (88616009039).

609956154481 is a wasteful number, since it uses less digits than its factorization.

609956154481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146 (or 14129 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 609956154481 in words is "six hundred nine billion, nine hundred fifty-six million, one hundred fifty-four thousand, four hundred eighty-one".