7149019 has 2 divisors, whose sum is σ = 7149020. Its totient is φ = 7149018.

The previous prime is 7149013. The next prime is 7149041. The reversal of 7149019 is 9109417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7149019 - 2⁵ = 7148987 is a prime.

It is a super-2 number, since 2×7149019² = 102216945324722, which contains 22 as substring.

It is an Ulam number.

7149019 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7149013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574509 + 3574510.

It is an arithmetic number, because the mean of its divisors is an integer number (3574510).

Almost surely, 2^7149019 is an apocalyptic number.

7149019 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149019 is an equidigital number, since it uses as much as digits as its factorization.

7149019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 7149019 is about 2673.7649485323. The cubic root of 7149019 is about 192.6410412925.

The spelling of 7149019 in words is "seven million, one hundred forty-nine thousand, nineteen".