1962612430621 has 2 divisors, whose sum is σ = 1962612430622. Its totient is φ = 1962612430620.

The previous prime is 1962612430613. The next prime is 1962612430627. The reversal of 1962612430621 is 1260342162691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1480636310596 + 481976120025 = 1216814^2 + 694245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1962612430621 - 2³ = 1962612430613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1962612430627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981306215310 + 981306215311.

It is an arithmetic number, because the mean of its divisors is an integer number (981306215311).

Almost surely, 2^{1962612430621} is an apocalyptic number.

It is an amenable number.

1962612430621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962612430621 is an equidigital number, since it uses as much as digits as its factorization.

1962612430621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 1962612430621 in words is "one trillion, nine hundred sixty-two billion, six hundred twelve million, four hundred thirty thousand, six hundred twenty-one".