2119542492 has 48 divisors (see below), whose sum is σ = 5218214400. Its totient is φ = 667745280.

The previous prime is 2119542487. The next prime is 2119542533. The reversal of 2119542492 is 2942459112.

It is a self number, because there is not a number n which added to its sum of digits gives 2119542492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87484 + ... + 109052.

It is an arithmetic number, because the mean of its divisors is an integer number (108712800).

Almost surely, 2^2119542492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2119542492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2609107200).

2119542492 is an abundant number, since it is smaller than the sum of its proper divisors (3098671908).

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

2119542492 is a wasteful number, since it uses less digits than its factorization.

2119542492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22026 (or 22024 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 2119542492 is about 46038.4892454129. The cubic root of 2119542492 is about 1284.5392408030.

The spelling of 2119542492 in words is "two billion, one hundred nineteen million, five hundred forty-two thousand, four hundred ninety-two".