1390699333 has 2 divisors, whose sum is σ = 1390699334. Its totient is φ = 1390699332.

The previous prime is 1390699307. The next prime is 1390699351. The reversal of 1390699333 is 3339960931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198682884 + 192016449 = 34622^2 + 13857^2 .

It is an emirp because it is prime and its reverse (3339960931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1390699333 - 2²¹ = 1388602181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390699133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695349666 + 695349667.

It is an arithmetic number, because the mean of its divisors is an integer number (695349667).

Almost surely, 2^1390699333 is an apocalyptic number.

It is an amenable number.

1390699333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390699333 is an equidigital number, since it uses as much as digits as its factorization.

1390699333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 354294, while the sum is 46.

The square root of 1390699333 is about 37292.0813712509. The cubic root of 1390699333 is about 1116.2061613559.

The spelling of 1390699333 in words is "one billion, three hundred ninety million, six hundred ninety-nine thousand, three hundred thirty-three".