64454045733 has 32 divisors (see below), whose sum is σ = 119049323520. Its totient is φ = 33482620080.

The previous prime is 64454045651. The next prime is 64454045741. The reversal of 64454045733 is 33754045446.

64454045733 is a `hidden beast` number, since 64 + 4 + 540 + 45 + 7 + 3 + 3 = 666.

It is not a de Polignac number, because 64454045733 - 2¹⁶ = 64453980197 is a prime.

It is a super-2 number, since 2×64454045733² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64454045783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15499135 + ... + 15503292.

It is an arithmetic number, because the mean of its divisors is an integer number (3720291360).

Almost surely, 2^64454045733 is an apocalyptic number.

64454045733 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

64454045733 is a deficient number, since it is larger than the sum of its proper divisors (54595277787).

64454045733 is a wasteful number, since it uses less digits than its factorization.

64454045733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31002454 (or 31002448 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

The spelling of 64454045733 in words is "sixty-four billion, four hundred fifty-four million, forty-five thousand, seven hundred thirty-three".