4016249991 has 24 divisors (see below), whose sum is σ = 6462936480. Its totient is φ = 2386310976.

The previous prime is 4016249987. The next prime is 4016250011. The reversal of 4016249991 is 1999426104.

It is not a de Polignac number, because 4016249991 - 2² = 4016249987 is a prime.

It is a super-2 number, since 2×4016249991² = 32260527980415000162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4016249491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588451 + ... + 595236.

It is an arithmetic number, because the mean of its divisors is an integer number (269289020).

Almost surely, 2^4016249991 is an apocalyptic number.

4016249991 is a deficient number, since it is larger than the sum of its proper divisors (2446686489).

4016249991 is a wasteful number, since it uses less digits than its factorization.

4016249991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183735 (or 1183732 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4016249991 is about 63373.8904518257. The cubic root of 4016249991 is about 1589.5477519999.

The spelling of 4016249991 in words is "four billion, sixteen million, two hundred forty-nine thousand, nine hundred ninety-one".