1473421973 has 2 divisors, whose sum is σ = 1473421974. Its totient is φ = 1473421972.

The previous prime is 1473421951. The next prime is 1473421979. The reversal of 1473421973 is 3791243741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229343844 + 244078129 = 35062^2 + 15623^2 .

It is an emirp because it is prime and its reverse (3791243741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1473421973 - 2⁸ = 1473421717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1473421973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473421979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736710986 + 736710987.

It is an arithmetic number, because the mean of its divisors is an integer number (736710987).

Almost surely, 2^1473421973 is an apocalyptic number.

It is an amenable number.

1473421973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473421973 is an equidigital number, since it uses as much as digits as its factorization.

1473421973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 1473421973 is about 38385.1790799522. The cubic root of 1473421973 is about 1137.9129695315.

The spelling of 1473421973 in words is "one billion, four hundred seventy-three million, four hundred twenty-one thousand, nine hundred seventy-three".