2019427956 has 96 divisors (see below), whose sum is σ = 6443790080. Its totient is φ = 532593792.

The previous prime is 2019427951. The next prime is 2019427957. The reversal of 2019427956 is 6597249102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019427951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92911 + ... + 112566.

Almost surely, 2^2019427956 is an apocalyptic number.

2019427956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2019427956 is an abundant number, since it is smaller than the sum of its proper divisors (4424362124).

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

2019427956 is a wasteful number, since it uses less digits than its factorization.

2019427956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205510 (or 205502 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2019427956 is about 44938.0457519016. The cubic root of 2019427956 is about 1263.9875260813.

The spelling of 2019427956 in words is "two billion, nineteen million, four hundred twenty-seven thousand, nine hundred fifty-six".