340953919 has 2 divisors, whose sum is σ = 340953920. Its totient is φ = 340953918.

The previous prime is 340953901. The next prime is 340953931. The reversal of 340953919 is 919359043.

It is a strong prime.

It is an emirp because it is prime and its reverse (919359043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340953919 - 2²⁷ = 206736191 is a prime.

It is a super-2 number, since 2×340953919² = 232499149762917122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340953959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170476959 + 170476960.

It is an arithmetic number, because the mean of its divisors is an integer number (170476960).

Almost surely, 2^340953919 is an apocalyptic number.

340953919 is a deficient number, since it is larger than the sum of its proper divisors (1).

340953919 is an equidigital number, since it uses as much as digits as its factorization.

340953919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 340953919 is about 18464.9375574357. The cubic root of 340953919 is about 698.6053312933.

The spelling of 340953919 in words is "three hundred forty million, nine hundred fifty-three thousand, nine hundred nineteen".