1373450069 has 2 divisors, whose sum is σ = 1373450070. Its totient is φ = 1373450068.

The previous prime is 1373450059. The next prime is 1373450119. The reversal of 1373450069 is 9600543731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962860900 + 410589169 = 31030^2 + 20263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373450069 - 2¹² = 1373445973 is a prime.

It is a super-2 number, since 2×1373450069² = 3772730184072209522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373450059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686725034 + 686725035.

It is an arithmetic number, because the mean of its divisors is an integer number (686725035).

Almost surely, 2^1373450069 is an apocalyptic number.

It is an amenable number.

1373450069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373450069 is an equidigital number, since it uses as much as digits as its factorization.

1373450069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1373450069 is about 37060.0872772852. The cubic root of 1373450069 is about 1111.5720681111.

The spelling of 1373450069 in words is "one billion, three hundred seventy-three million, four hundred fifty thousand, sixty-nine".