1960862452621 has 4 divisors (see below), whose sum is σ = 1982894615100. Its totient is φ = 1938830290144.

The previous prime is 1960862452603. The next prime is 1960862452631. The reversal of 1960862452621 is 1262542680691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 651071472100 + 1309790980521 = 806890^2 + 1144461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1960862452621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960862452631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11016081106 + ... + 11016081283.

It is an arithmetic number, because the mean of its divisors is an integer number (495723653775).

Almost surely, 2^{1960862452621} is an apocalyptic number.

It is an amenable number.

1960862452621 is a deficient number, since it is larger than the sum of its proper divisors (22032162479).

1960862452621 is an equidigital number, since it uses as much as digits as its factorization.

1960862452621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22032162478.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 1960862452621 in words is "one trillion, nine hundred sixty billion, eight hundred sixty-two million, four hundred fifty-two thousand, six hundred twenty-one".