4378126473 has 12 divisors (see below), whose sum is σ = 7227383488. Its totient is φ = 2501786520.

The previous prime is 4378126409. The next prime is 4378126477. The reversal of 4378126473 is 3746218734.

It is not a de Polignac number, because 4378126473 - 2⁶ = 4378126409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4378126477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34746973 + ... + 34747098.

Almost surely, 2^4378126473 is an apocalyptic number.

It is an amenable number.

4378126473 is a deficient number, since it is larger than the sum of its proper divisors (2849257015).

4378126473 is a wasteful number, since it uses less digits than its factorization.

4378126473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69494084 (or 69494081 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 4378126473 is about 66167.4124701881. The cubic root of 4378126473 is about 1635.9226585359.

The spelling of 4378126473 in words is "four billion, three hundred seventy-eight million, one hundred twenty-six thousand, four hundred seventy-three".