1424368253961 has 81 divisors (see below), whose sum is σ = 2186030830581. Its totient is φ = 893669587200.

The previous prime is 1424368253947. The next prime is 1424368253969. The reversal of 1424368253961 is 1693528634241.

It is a happy number.

The square root of 1424368253961 is 1193469.

It is a perfect power (a square), and thus also a powerful number.

1424368253961 is a `hidden beast` number, since 1 + 4 + 2 + 43 + 6 + 8 + 2 + 539 + 61 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1298950281225 + 125417972736 = 1139715^2 + 354144^2 .

It is not a de Polignac number, because 1424368253961 - 2²³ = 1424359865353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424368253898 and 1424368253907.

It is not an unprimeable number, because it can be changed into a prime (1424368253969) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4550697141 + ... + 4550697453.

Almost surely, 2^{1424368253961} is an apocalyptic number.

1424368253961 is the 1193469-th square number.

1424368253961 is the 596735-th centered octagonal number.

It is an amenable number.

1424368253961 is a deficient number, since it is larger than the sum of its proper divisors (761662576620).

1424368253961 is an frugal number, since it uses more digits than its factorization.

1424368253961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 388 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 1424368253961 in words is "one trillion, four hundred twenty-four billion, three hundred sixty-eight million, two hundred fifty-three thousand, nine hundred sixty-one".