1420265461969 has 4 divisors (see below), whose sum is σ = 1420789354560. Its totient is φ = 1419741569380.

The previous prime is 1420265461961. The next prime is 1420265462023. The reversal of 1420265461969 is 9691645620241.

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 a cyclic number.

It is not a de Polignac number, because 1420265461969 - 2³ = 1420265461961 is a prime.

It is a super-2 number, since 2×1420265461969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420265461961) 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, 261942229 + ... + 261947650.

It is an arithmetic number, because the mean of its divisors is an integer number (355197338640).

Almost surely, 2^{1420265461969} is an apocalyptic number.

It is an amenable number.

1420265461969 is a deficient number, since it is larger than the sum of its proper divisors (523892591).

1420265461969 is an equidigital number, since it uses as much as digits as its factorization.

1420265461969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523892590.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 1420265461969 in words is "one trillion, four hundred twenty billion, two hundred sixty-five million, four hundred sixty-one thousand, nine hundred sixty-nine".