1420455610641 has 4 divisors (see below), whose sum is σ = 1893940814192. Its totient is φ = 946970407092.

The previous prime is 1420455610633. The next prime is 1420455610669. The reversal of 1420455610641 is 1460165540241.

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.

It is not a de Polignac number, because 1420455610641 - 2³ = 1420455610633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420455610641.

It is not an unprimeable number, because it can be changed into a prime (1420455610141) 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, 236742601771 + ... + 236742601776.

It is an arithmetic number, because the mean of its divisors is an integer number (473485203548).

Almost surely, 2^{1420455610641} is an apocalyptic number.

It is an amenable number.

1420455610641 is a deficient number, since it is larger than the sum of its proper divisors (473485203551).

1420455610641 is an equidigital number, since it uses as much as digits as its factorization.

1420455610641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473485203550.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 1420455610641 in words is "one trillion, four hundred twenty billion, four hundred fifty-five million, six hundred ten thousand, six hundred forty-one".