3775253642 has 4 divisors (see below), whose sum is σ = 5662880466. Its totient is φ = 1887626820.

The previous prime is 3775253639. The next prime is 3775253663. The reversal of 3775253642 is 2463525773.

It is a happy number.

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., 3543939961 + 231313681 = 59531^2 + 15209^2 .

It is a super-2 number, since 2×3775253642² = 28505080122868528328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3775253593 and 3775253602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943813409 + ... + 943813412.

Almost surely, 2^3775253642 is an apocalyptic number.

3775253642 is a deficient number, since it is larger than the sum of its proper divisors (1887626824).

3775253642 is a wasteful number, since it uses less digits than its factorization.

3775253642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887626823.

The product of its digits is 1058400, while the sum is 44.

The square root of 3775253642 is about 61443.0927118745. The cubic root of 3775253642 is about 1557.0959618127.

The spelling of 3775253642 in words is "three billion, seven hundred seventy-five million, two hundred fifty-three thousand, six hundred forty-two".