3806821857254 has 16 divisors (see below), whose sum is σ = 6196424073840. Its totient is φ = 1743582528480.

The previous prime is 3806821857233. The next prime is 3806821857287. The reversal of 3806821857254 is 4527581286083.

It is a junction number, because it is equal to n+sod(n) for n = 3806821857193 and 3806821857202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558837149 + ... + 558843960.

It is an arithmetic number, because the mean of its divisors is an integer number (387276504615).

Almost surely, 2^{3806821857254} is an apocalyptic number.

3806821857254 is a deficient number, since it is larger than the sum of its proper divisors (2389602216586).

3806821857254 is a wasteful number, since it uses less digits than its factorization.

3806821857254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117681255.

The product of its (nonzero) digits is 25804800, while the sum is 59.

The spelling of 3806821857254 in words is "three trillion, eight hundred six billion, eight hundred twenty-one million, eight hundred fifty-seven thousand, two hundred fifty-four".