1474406471621 has 2 divisors, whose sum is σ = 1474406471622. Its totient is φ = 1474406471620.

The previous prime is 1474406471569. The next prime is 1474406471687. The reversal of 1474406471621 is 1261746044741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1468483476100 + 5922995521 = 1211810^2 + 76961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474406471621 - 2¹⁰ = 1474406470597 is a prime.

It is a super-3 number, since 3×1474406471621³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1474406479621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737203235810 + 737203235811.

It is an arithmetic number, because the mean of its divisors is an integer number (737203235811).

Almost surely, 2^{1474406471621} is an apocalyptic number.

It is an amenable number.

1474406471621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474406471621 is an equidigital number, since it uses as much as digits as its factorization.

1474406471621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 1474406471621 in words is "one trillion, four hundred seventy-four billion, four hundred six million, four hundred seventy-one thousand, six hundred twenty-one".