4051391094 has 20 divisors (see below), whose sum is σ = 9078117444. Its totient is φ = 1350463644.

The previous prime is 4051391093. The next prime is 4051391111. The reversal of 4051391094 is 4901931504.

It is a happy number.

4051391094 is a `hidden beast` number, since 40 + 513 + 9 + 10 + 94 = 666.

4051391094 is nontrivially palindromic in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051391093) 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 9 ways as a sum of consecutive naturals, for example, 12504132 + ... + 12504455.

Almost surely, 2^4051391094 is an apocalyptic number.

4051391094 is an abundant number, since it is smaller than the sum of its proper divisors (5026726350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4051391094 is a wasteful number, since it uses less digits than its factorization.

4051391094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008601 (or 25008592 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 4051391094 is about 63650.5388351112. The cubic root of 4051391094 is about 1594.1703338654.

The spelling of 4051391094 in words is "four billion, fifty-one million, three hundred ninety-one thousand, ninety-four".