1351705445674 has 4 divisors (see below), whose sum is σ = 2027558168514. Its totient is φ = 675852722836.

The previous prime is 1351705445647. The next prime is 1351705445677. The reversal of 1351705445674 is 4765445071531.

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., 1139861575449 + 211843870225 = 1067643^2 + 460265^2 .

It is a super-2 number, since 2×1351705445674² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351705445677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337926361417 + ... + 337926361420.

Almost surely, 2^{1351705445674} is an apocalyptic number.

1351705445674 is a deficient number, since it is larger than the sum of its proper divisors (675852722840).

1351705445674 is an equidigital number, since it uses as much as digits as its factorization.

1351705445674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675852722839.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 1351705445674 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, four hundred forty-five thousand, six hundred seventy-four".