393269416690 has 8 divisors (see below), whose sum is σ = 707884950060. Its totient is φ = 157307766672.

The previous prime is 393269416667. The next prime is 393269416691. The reversal of 393269416690 is 96614962393.

It can be written as a sum of positive squares in 2 ways, for example, as 387032050161 + 6237366529 = 622119^2 + 78977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×393269416690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (393269416691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19663470825 + ... + 19663470844.

Almost surely, 2^393269416690 is an apocalyptic number.

393269416690 is a deficient number, since it is larger than the sum of its proper divisors (314615533370).

393269416690 is a wasteful number, since it uses less digits than its factorization.

393269416690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39326941676.

The product of its (nonzero) digits is 11337408, while the sum is 58.

The spelling of 393269416690 in words is "three hundred ninety-three billion, two hundred sixty-nine million, four hundred sixteen thousand, six hundred ninety".