1420277707621 has 16 divisors (see below), whose sum is σ = 1459011035520. Its totient is φ = 1382039915200.

The previous prime is 1420277707591. The next prime is 1420277707627. The reversal of 1420277707621 is 1267077720241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420277707621 is a prime.

It is a super-2 number, since 2×1420277707621² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420277707627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26031456 + ... + 26085958.

It is an arithmetic number, because the mean of its divisors is an integer number (91188189720).

Almost surely, 2^{1420277707621} is an apocalyptic number.

It is an amenable number.

1420277707621 is a deficient number, since it is larger than the sum of its proper divisors (38733327899).

1420277707621 is a wasteful number, since it uses less digits than its factorization.

1420277707621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59036.

The product of its (nonzero) digits is 460992, while the sum is 46.

The spelling of 1420277707621 in words is "one trillion, four hundred twenty billion, two hundred seventy-seven million, seven hundred seven thousand, six hundred twenty-one".