1345610311426 has 4 divisors (see below), whose sum is σ = 2018415467142. Its totient is φ = 672805155712.

The previous prime is 1345610311399. The next prime is 1345610311459. The reversal of 1345610311426 is 6241130165431.

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

It can be written as a sum of positive squares in only one way, i.e., 760469458401 + 585140853025 = 872049^2 + 764945^2 .

It is a super-2 number, since 2×1345610311426² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336402577855 + ... + 336402577858.

Almost surely, 2^{1345610311426} is an apocalyptic number.

1345610311426 is a deficient number, since it is larger than the sum of its proper divisors (672805155716).

1345610311426 is an equidigital number, since it uses as much as digits as its factorization.

1345610311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672805155715.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 1345610311426 its reverse (6241130165431), we get a palindrome (7586740476857).

The spelling of 1345610311426 in words is "one trillion, three hundred forty-five billion, six hundred ten million, three hundred eleven thousand, four hundred twenty-six".