4945189892349 has 64 divisors (see below), whose sum is σ = 7706187776000. Its totient is φ = 2819628657216.

The previous prime is 4945189892329. The next prime is 4945189892431. The reversal of 4945189892349 is 9432989815494.

It is not a de Polignac number, because 4945189892349 - 2⁵ = 4945189892317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945189892329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1563447642 + ... + 1563450804.

It is an arithmetic number, because the mean of its divisors is an integer number (120409184000).

Almost surely, 2^{4945189892349} is an apocalyptic number.

4945189892349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4945189892349 is a deficient number, since it is larger than the sum of its proper divisors (2760997883651).

4945189892349 is a wasteful number, since it uses less digits than its factorization.

4945189892349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039 (or 6025 counting only the distinct ones).

The product of its digits is 806215680, while the sum is 75.

The spelling of 4945189892349 in words is "four trillion, nine hundred forty-five billion, one hundred eighty-nine million, eight hundred ninety-two thousand, three hundred forty-nine".