1941432487 has 4 divisors (see below), whose sum is σ = 2055634416. Its totient is φ = 1827230560.

The previous prime is 1941432473. The next prime is 1941432491. The reversal of 1941432487 is 7842341491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1941432487 - 2⁷ = 1941432359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941432187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57100939 + ... + 57100972.

It is an arithmetic number, because the mean of its divisors is an integer number (513908604).

Almost surely, 2^1941432487 is an apocalyptic number.

1941432487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1941432487 is a deficient number, since it is larger than the sum of its proper divisors (114201929).

1941432487 is a wasteful number, since it uses less digits than its factorization.

1941432487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114201928.

The product of its digits is 193536, while the sum is 43.

The square root of 1941432487 is about 44061.6895613412. The cubic root of 1941432487 is about 1247.5006029692.

The spelling of 1941432487 in words is "one billion, nine hundred forty-one million, four hundred thirty-two thousand, four hundred eighty-seven".