1614450641 has 4 divisors (see below), whose sum is σ = 1614531072. Its totient is φ = 1614370212.

The previous prime is 1614450631. The next prime is 1614450659. The reversal of 1614450641 is 1460544161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1460544161 = 53 ⋅27557437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1614450641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1614450598 and 1614450607.

It is not an unprimeable number, because it can be changed into a prime (1614450601) 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, 17600 + ... + 59486.

It is an arithmetic number, because the mean of its divisors is an integer number (403632768).

Almost surely, 2^1614450641 is an apocalyptic number.

It is an amenable number.

1614450641 is a deficient number, since it is larger than the sum of its proper divisors (80431).

1614450641 is an equidigital number, since it uses as much as digits as its factorization.

1614450641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80430.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1614450641 is about 40180.2269903991. The cubic root of 1614450641 is about 1173.1177084093.

The spelling of 1614450641 in words is "one billion, six hundred fourteen million, four hundred fifty thousand, six hundred forty-one".