2146926431 has 8 divisors (see below), whose sum is σ = 2333684304. Its totient is φ = 1963255680.

The previous prime is 2146926407. The next prime is 2146926433. The reversal of 2146926431 is 1346296412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2146926431 - 2¹⁴ = 2146910047 is a prime.

It is a super-2 number, since 2×2146926431² = 9218586200252795522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146926433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770330 + ... + 773111.

It is an arithmetic number, because the mean of its divisors is an integer number (291710538).

Almost surely, 2^2146926431 is an apocalyptic number.

2146926431 is a deficient number, since it is larger than the sum of its proper divisors (186757873).

2146926431 is a wasteful number, since it uses less digits than its factorization.

2146926431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543561.

The product of its digits is 62208, while the sum is 38.

The square root of 2146926431 is about 46334.9374770270. The cubic root of 2146926431 is about 1290.0475576882.

The spelling of 2146926431 in words is "two billion, one hundred forty-six million, nine hundred twenty-six thousand, four hundred thirty-one".