1374104717621 has 4 divisors (see below), whose sum is σ = 1374723407244. Its totient is φ = 1373486028000.

The previous prime is 1374104717599. The next prime is 1374104717627. The reversal of 1374104717621 is 1267174014731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 374476683025 + 999628034596 = 611945^2 + 999814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374104717621 - 2¹⁴ = 1374104701237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374104717627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309341480 + ... + 309345921.

It is an arithmetic number, because the mean of its divisors is an integer number (343680851811).

Almost surely, 2^{1374104717621} is an apocalyptic number.

It is an amenable number.

1374104717621 is a deficient number, since it is larger than the sum of its proper divisors (618689623).

1374104717621 is an equidigital number, since it uses as much as digits as its factorization.

1374104717621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618689622.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 1374104717621 in words is "one trillion, three hundred seventy-four billion, one hundred four million, seven hundred seventeen thousand, six hundred twenty-one".