3894605145458 has 32 divisors (see below), whose sum is σ = 6236317630080. Its totient is φ = 1818733392000.

The previous prime is 3894605145449. The next prime is 3894605145503. The reversal of 3894605145458 is 8545415064983.

It is a self number, because there is not a number n which added to its sum of digits gives 3894605145458.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92091278 + ... + 92133558.

It is an arithmetic number, because the mean of its divisors is an integer number (194884925940).

Almost surely, 2^{3894605145458} is an apocalyptic number.

3894605145458 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3894605145458 is a deficient number, since it is larger than the sum of its proper divisors (2341712484622).

3894605145458 is a wasteful number, since it uses less digits than its factorization.

3894605145458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76514.

The product of its (nonzero) digits is 82944000, while the sum is 62.

The spelling of 3894605145458 in words is "three trillion, eight hundred ninety-four billion, six hundred five million, one hundred forty-five thousand, four hundred fifty-eight".