1341649921 has 8 divisors (see below), whose sum is σ = 1392660864. Its totient is φ = 1291575120.

The previous prime is 1341649919. The next prime is 1341649927. The reversal of 1341649921 is 1299461431.

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 1341649921 - 2¹ = 1341649919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341649927) 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, 231115 + ... + 236848.

It is an arithmetic number, because the mean of its divisors is an integer number (174082608).

Almost surely, 2^1341649921 is an apocalyptic number.

It is an amenable number.

1341649921 is a deficient number, since it is larger than the sum of its proper divisors (51010943).

1341649921 is an equidigital number, since it uses as much as digits as its factorization.

1341649921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468071.

The product of its digits is 46656, while the sum is 40.

The square root of 1341649921 is about 36628.5397060816. The cubic root of 1341649921 is about 1102.9260720893.

The spelling of 1341649921 in words is "one billion, three hundred forty-one million, six hundred forty-nine thousand, nine hundred twenty-one".