2064540133546 has 32 divisors (see below), whose sum is σ = 3526459037568. Its totient is φ = 897311331840.

The previous prime is 2064540133541. The next prime is 2064540133559. The reversal of 2064540133546 is 6453310454602.

It is a happy number.

It is a super-4 number, since 4×2064540133546⁴ (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2064540133541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731586 + ... + 2159698.

It is an arithmetic number, because the mean of its divisors is an integer number (110201844924).

Almost surely, 2^{2064540133546} is an apocalyptic number.

2064540133546 is a deficient number, since it is larger than the sum of its proper divisors (1461918904022).

2064540133546 is a wasteful number, since it uses less digits than its factorization.

2064540133546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431006.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2064540133546 in words is "two trillion, sixty-four billion, five hundred forty million, one hundred thirty-three thousand, five hundred forty-six".