4126875621 has 16 divisors (see below), whose sum is σ = 6070178880. Its totient is φ = 2473032320.

The previous prime is 4126875611. The next prime is 4126875631. The reversal of 4126875621 is 1265786214.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4126875611) and next prime (4126875631).

It is not a de Polignac number, because 4126875621 - 2²² = 4122681317 is a prime.

It is a super-2 number, since 2×4126875621² = 34062204782408271282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126875611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699630 + ... + 705503.

It is an arithmetic number, because the mean of its divisors is an integer number (379386180).

Almost surely, 2^4126875621 is an apocalyptic number.

It is an amenable number.

4126875621 is a deficient number, since it is larger than the sum of its proper divisors (1943303259).

4126875621 is a wasteful number, since it uses less digits than its factorization.

4126875621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405236.

The product of its digits is 161280, while the sum is 42.

The square root of 4126875621 is about 64240.7629235519. The cubic root of 4126875621 is about 1604.0102036703.

The spelling of 4126875621 in words is "four billion, one hundred twenty-six million, eight hundred seventy-five thousand, six hundred twenty-one".