4849377409581 has 32 divisors (see below), whose sum is σ = 6752203569408. Its totient is φ = 3092714058240.

The previous prime is 4849377409573. The next prime is 4849377409607. The reversal of 4849377409581 is 1859047739484.

It is not a de Polignac number, because 4849377409581 - 2³ = 4849377409573 is a prime.

It is a super-2 number, since 2×4849377409581² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4849377409181) 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, 16599880 + ... + 16889486.

It is an arithmetic number, because the mean of its divisors is an integer number (211006361544).

Almost surely, 2^{4849377409581} is an apocalyptic number.

It is an amenable number.

4849377409581 is a deficient number, since it is larger than the sum of its proper divisors (1902826159827).

4849377409581 is a wasteful number, since it uses less digits than its factorization.

4849377409581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292181.

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 4849377409581 in words is "four trillion, eight hundred forty-nine billion, three hundred seventy-seven million, four hundred nine thousand, five hundred eighty-one".