1474691389 has 2 divisors, whose sum is σ = 1474691390. Its totient is φ = 1474691388.

The previous prime is 1474691377. The next prime is 1474691447. The reversal of 1474691389 is 9831964741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 911436100 + 563255289 = 30190^2 + 23733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474691389 - 2¹⁷ = 1474560317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1474692389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737345694 + 737345695.

It is an arithmetic number, because the mean of its divisors is an integer number (737345695).

Almost surely, 2^1474691389 is an apocalyptic number.

It is an amenable number.

1474691389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474691389 is an equidigital number, since it uses as much as digits as its factorization.

1474691389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 1474691389 is about 38401.7107561629. The cubic root of 1474691389 is about 1138.2396626144.

The spelling of 1474691389 in words is "one billion, four hundred seventy-four million, six hundred ninety-one thousand, three hundred eighty-nine".