3836557521074 has 4 divisors (see below), whose sum is σ = 5754836281614. Its totient is φ = 1918278760536.

The previous prime is 3836557521061. The next prime is 3836557521109. The reversal of 3836557521074 is 4701257556383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2520134025049 + 1316423496025 = 1587493^2 + 1147355^2 .

It is a super-2 number, since 2×3836557521074² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959139380267 + ... + 959139380270.

Almost surely, 2^{3836557521074} is an apocalyptic number.

3836557521074 is a deficient number, since it is larger than the sum of its proper divisors (1918278760540).

3836557521074 is a wasteful number, since it uses less digits than its factorization.

3836557521074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918278760539.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 3836557521074 in words is "three trillion, eight hundred thirty-six billion, five hundred fifty-seven million, five hundred twenty-one thousand, seventy-four".