4564156378641 has 8 divisors (see below), whose sum is σ = 6087451340064. Its totient is φ = 3041816168160.

The previous prime is 4564156378583. The next prime is 4564156378673. The reversal of 4564156378641 is 1468736514654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4564156378641 - 2⁷ = 4564156378513 is a prime.

It is a super-2 number, since 2×4564156378641² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4564156368641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238676580 + ... + 238695701.

It is an arithmetic number, because the mean of its divisors is an integer number (760931417508).

Almost surely, 2^{4564156378641} is an apocalyptic number.

It is an amenable number.

4564156378641 is a deficient number, since it is larger than the sum of its proper divisors (1523294961423).

4564156378641 is a wasteful number, since it uses less digits than its factorization.

4564156378641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477375471.

The product of its digits is 58060800, while the sum is 60.

The spelling of 4564156378641 in words is "four trillion, five hundred sixty-four billion, one hundred fifty-six million, three hundred seventy-eight thousand, six hundred forty-one".