1326372347961 has 6 divisors (see below), whose sum is σ = 1915871169290. Its totient is φ = 884248231968.

The previous prime is 1326372347953. The next prime is 1326372347969. The reversal of 1326372347961 is 1697432736231.

1326372347961 is a `hidden beast` number, since 1 + 32 + 63 + 7 + 23 + 479 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (1326372347953) and next prime (1326372347969).

It can be written as a sum of positive squares in only one way, i.e., 691673325561 + 634699022400 = 831669^2 + 796680^2 .

It is not a de Polignac number, because 1326372347961 - 2³ = 1326372347953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1326372347898 and 1326372347907.

It is not an unprimeable number, because it can be changed into a prime (1326372347969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73687352656 + ... + 73687352673.

Almost surely, 2^{1326372347961} is an apocalyptic number.

It is an amenable number.

1326372347961 is a deficient number, since it is larger than the sum of its proper divisors (589498821329).

1326372347961 is a wasteful number, since it uses less digits than its factorization.

1326372347961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147374705335 (or 147374705332 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 1326372347961 in words is "one trillion, three hundred twenty-six billion, three hundred seventy-two million, three hundred forty-seven thousand, nine hundred sixty-one".