3891453052 has 12 divisors (see below), whose sum is σ = 6811124320. Its totient is φ = 1945417536.

The previous prime is 3891453037. The next prime is 3891453089. The reversal of 3891453052 is 2503541983.

It is a super-2 number, since 2×3891453052² = 30286813711840229408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3891452996 and 3891453014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47652 + ... + 100267.

Almost surely, 2^3891453052 is an apocalyptic number.

It is an amenable number.

3891453052 is a deficient number, since it is larger than the sum of its proper divisors (2919671268).

3891453052 is a wasteful number, since it uses less digits than its factorization.

3891453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154500 (or 154498 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 3891453052 is about 62381.5121009422. The cubic root of 3891453052 is about 1572.9102109374.

The spelling of 3891453052 in words is "three billion, eight hundred ninety-one million, four hundred fifty-three thousand, fifty-two".