2187741952 has 54 divisors (see below), whose sum is σ = 4800090764. Its totient is φ = 994414080.

The previous prime is 2187741931. The next prime is 2187741961. The reversal of 2187741952 is 2591477812.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4338 + ... + 66289.

Almost surely, 2^2187741952 is an apocalyptic number.

2187741952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2187741952 is an abundant number, since it is smaller than the sum of its proper divisors (2612348812).

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

2187741952 is an equidigital number, since it uses as much as digits as its factorization.

2187741952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70665 (or 70640 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 2187741952 is about 46773.3038388352. The cubic root of 2187741952 is about 1298.1713840539.

The spelling of 2187741952 in words is "two billion, one hundred eighty-seven million, seven hundred forty-one thousand, nine hundred fifty-two".