4611394849491 has 24 divisors (see below), whose sum is σ = 6907760181504. Its totient is φ = 3074193638280.

The previous prime is 4611394849487. The next prime is 4611394849493. The reversal of 4611394849491 is 1949484931164.

4611394849491 is a `hidden beast` number, since 4 + 6 + 1 + 13 + 9 + 48 + 494 + 91 = 666.

It is not a de Polignac number, because 4611394849491 - 2² = 4611394849487 is a prime.

It is a super-3 number, since 3×4611394849491³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4611394849493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11958010 + ... + 12337616.

It is an arithmetic number, because the mean of its divisors is an integer number (287823340896).

Almost surely, 2^{4611394849491} is an apocalyptic number.

4611394849491 is a deficient number, since it is larger than the sum of its proper divisors (2296365332013).

4611394849491 is an equidigital number, since it uses as much as digits as its factorization.

4611394849491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429613 (or 429601 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 4611394849491 in words is "four trillion, six hundred eleven billion, three hundred ninety-four million, eight hundred forty-nine thousand, four hundred ninety-one".