1420514365645 has 16 divisors (see below), whose sum is σ = 1747917308592. Its totient is φ = 1107599511040.

The previous prime is 1420514365631. The next prime is 1420514365649. The reversal of 1420514365645 is 5465634150241.

It can be written as a sum of positive squares in 8 ways, for example, as 777151559844 + 643362805801 = 881562^2 + 802099^2 .

It is not a de Polignac number, because 1420514365645 - 2³⁹ = 870758551757 is a prime.

It is a super-3 number, since 3×1420514365645³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420514365595 and 1420514365604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420514365649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212542 + ... + 3627871.

It is an arithmetic number, because the mean of its divisors is an integer number (109244831787).

Almost surely, 2^{1420514365645} is an apocalyptic number.

It is an amenable number.

1420514365645 is a deficient number, since it is larger than the sum of its proper divisors (327402942947).

1420514365645 is a wasteful number, since it uses less digits than its factorization.

1420514365645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841472.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 1420514365645 in words is "one trillion, four hundred twenty billion, five hundred fourteen million, three hundred sixty-five thousand, six hundred forty-five".