6930990349 has 2 divisors, whose sum is σ = 6930990350. Its totient is φ = 6930990348.

The previous prime is 6930990299. The next prime is 6930990413. The reversal of 6930990349 is 9430990396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3966732324 + 2964258025 = 62982^2 + 54445^2 .

It is a cyclic number.

It is not a de Polignac number, because 6930990349 - 2⁹ = 6930989837 is a prime.

It is a super-2 number, since 2×6930990349² = 96077254435862283602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6930990296 and 6930990305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6930997349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465495174 + 3465495175.

It is an arithmetic number, because the mean of its divisors is an integer number (3465495175).

Almost surely, 2^6930990349 is an apocalyptic number.

It is an amenable number.

6930990349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6930990349 is an equidigital number, since it uses as much as digits as its factorization.

6930990349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 52.

The square root of 6930990349 is about 83252.5696240062. The cubic root of 6930990349 is about 1906.6241868127.

The spelling of 6930990349 in words is "six billion, nine hundred thirty million, nine hundred ninety thousand, three hundred forty-nine".