3151400643 has 12 divisors (see below), whose sum is σ = 4563730080. Its totient is φ = 2095530576.

The previous prime is 3151400639. The next prime is 3151400657. The reversal of 3151400643 is 3460041513.

3151400643 is a `hidden beast` number, since 3 + 1 + 5 + 14 + 0 + 0 + 643 = 666.

It is not a de Polignac number, because 3151400643 - 2² = 3151400639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3151400663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446571 + ... + 453572.

It is an arithmetic number, because the mean of its divisors is an integer number (380310840).

Almost surely, 2^3151400643 is an apocalyptic number.

3151400643 is a deficient number, since it is larger than the sum of its proper divisors (1412329437).

3151400643 is a wasteful number, since it uses less digits than its factorization.

3151400643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900538 (or 900535 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3151400643 is about 56137.3373344337. The cubic root of 3151400643 is about 1466.1144463832.

The spelling of 3151400643 in words is "three billion, one hundred fifty-one million, four hundred thousand, six hundred forty-three".